diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2297426..d3e361f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 |Version|Date|Notes|
 |---|---|---|
-|2.7|2021-01-05|Add rankmirrors.|
+|2.7|2021-01-05|Add rankmirrors. Remove gibMacOS. Replace iptables with iptables-nft. Remove libguestfs.|
 |   |2020-12-17|Remove unnecessary WORKDIR commands.|
 |   |2020-12-16|Reduce image size by cloning OSX-KVM to only 1 depth level. Simplify mkdir && chown to mkdir -m|
 |   |2020-10-06|Add the ability to skip the boot screen with ./Launch-nopicker.sh|
diff --git a/CREDITS.md b/CREDITS.md
index 37e8bda..8265301 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -41,3 +41,6 @@ These credits refer to the contributors to this repository:
 [@PeterDaveHello](https://github.com/PeterDaveHello) -  Reduce Dockerfile instructions and Docker image layers #112
 
 [@weskerfoot](https://github.com/weskerfoot) Docs updates: usb passthrough, headless mode, disk space reduction guide #113
+
+[@PeterDaveHello](https://github.com/PeterDaveHello) - Improve Dockerfile #121 
+
diff --git a/Dockerfile b/Dockerfile
index 6e0eaaa..82650ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@
 # Repo:             https://github.com/sickcodes/Docker-OSX/
 # Title:            Mac on Docker (Docker-OSX)
 # Author:           Sick.Codes https://sick.codes/
-# Version:          2.6
+# Version:          2.7
 # License:          GPLv3+
 #
 # All credits for OSX-KVM and the rest at @Kholia's repo: https://github.com/kholia/osx-kvm
@@ -133,20 +133,20 @@ RUN touch enable-ssh.sh \
 
 # default env vars, RUNTIME ONLY, not for editing in build time.
 
-RUN sudo pacman -Syu qemu libvirt dnsmasq virt-manager bridge-utils flex bison ebtables edk2-ovmf netctl libvirt-dbus libguestfs --noconfirm && yes | sudo pacman -Scc
+# RUN yes | sudo pacman -Syu qemu libvirt dnsmasq virt-manager bridge-utils edk2-ovmf netctl libvirt-dbus --overwrite --noconfirm
+
+RUN yes | sudo pacman -Syu qemu libvirt dnsmasq virt-manager bridge-utils openresolv jack iptables-nft edk2-ovmf netctl libvirt-dbus --overwrite --noconfirm \
+    ; yes | sudo pacman -Scc
+
 # RUN sudo systemctl enable libvirtd.service
 # RUN sudo systemctl enable virtlogd.service
 
-RUN git clone --depth 1 https://github.com/corpnewt/gibMacOS.git /home/arch/OSX-KVM/gibMacOS
+WORKDIR /home/arch/OSX-KVM
 
-WORKDIR /home/arch/OSX-KVM/gibMacOS
-
-# this command takes a while!
-RUN perl -p -i -e 's/print("Succeeded:")/exit()/' ./gibMacOS.command \
-    && { python gibMacOS.command -v "${VERSION}" -d || echo Done; } \
-    && qemu-img convert /home/arch/OSX-KVM/gibMacOS/macOS\ Downloads/publicrelease/*/BaseSystem.dmg -O qcow2 -p -c /home/arch/OSX-KVM/BaseSystem.img \
-    && qemu-img create -f qcow2 /home/arch/OSX-KVM/mac_hdd_ng.img "${SIZE}" \
-    && rm /home/arch/OSX-KVM/gibMacOS/macOS\ Downloads/publicrelease/*/BaseSystem.dmg
+RUN python fetch-macOS.py --version "${VERSION}" \
+    && qemu-img convert BaseSystem.dmg -O qcow2 -p -c BaseSystem.img \
+    && qemu-img create -f qcow2 mac_hdd_ng.img "${SIZE}" \
+    && rm -f BaseSystem.dmg
 
 # > Launch.sh
 # > Docker-OSX.xml
diff --git a/README.md b/README.md
index c88ead6..fac1e07 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,6 @@
 # Docker-OSX
 ## [Follow @sickcodes on Twitter](https://twitter.com/sickcodes)
 
-### V2.6
-# Features In Docker-OSX v2.6
-- CI/CD weaponization thru vnc and xdotool
-- OSX-KVM
-- X11 Forwarding
-- SSH on localhost:50922 
-- QEMU
-- VNC on localhost:8888 [vnc version is inside a separate directory](https://github.com/sickcodes/Docker-OSX/blob/master/vnc-version/Dockerfile)
-- Create an ARMY using `docker commit`
-- XFVB HEADLESS (use vnc)
-
-### Pull Requests Welcome!
-
 ![Running mac osx in a docker container](/running-mac-inside-docker-qemu.png?raw=true "OSX KVM DOCKER")
 
 Run Mac in a Docker container! Run near native OSX-KVM in Docker! X11 Forwarding!
@@ -22,12 +9,44 @@ Author: Sick.Codes https://sick.codes/ & https://twitter.com/sickcodes
 
 PR & Contributor Credits: https://github.com/sickcodes/Docker-OSX/blob/master/CREDITS.md
 
+Docker Hub: https://hub.docker.com/r/sickcodes/docker-osx
+
+# Quick Start Docker-OSX
+```bash
+
+docker run \
+    --device /dev/kvm \
+    -p 50922:10022 \
+    -v /tmp/.X11-unix:/tmp/.X11-unix \
+    -e "DISPLAY=${DISPLAY:-:0.0}" \
+    sickcodes/docker-osx:latest
+
+# Wait 2-3 minutes until you see the logo.
+
+```
+
+# Features Coming in v3.0
+- Fully automated installation.
+- Ready-to-go instances.
+
+# Features In Docker-OSX v2.7
+- CI/CD weaponization thru vnc and xdotool
+- OSX-KVM
+- X11 Forwarding
+- SSH on localhost:50922 
+- QEMU
+- VNC on localhost:8888 [vnc version is inside a separate directory](https://github.com/sickcodes/Docker-OSX/blob/master/vnc-version/Dockerfile)
+- Create an ARMY using `docker commit`
+- XFVB HEADLESS (use vnc)
+
+### All Pull Requests Welcome!
+
+Docker-OSX is a GPLv3+ Dockerfile and we need contributors just like you :).
+
 Upstream: https://github.com/kholia/OSX-KVM && the great guy [@kholia](https://twitter.com/kholia)
 
 Upstream Credits (OSX-KVM project) among many others: https://github.com/kholia/OSX-KVM/blob/master/CREDITS.md
 
-Docker Hub: https://hub.docker.com/r/sickcodes/docker-osx
-
 ### Other cool Docker-QEMU based projects:
 
 [Run iOS in a Docker with Docker-eyeOS](https://github.com/sickcodes/Docker-eyeOS) - [https://github.com/sickcodes/Docker-eyeOS](https://github.com/sickcodes/Docker-eyeOS)
@@ -432,13 +451,19 @@ Note: `-disable-ticketing` will allow unauthenticated access to the VM. See the
 Then simply do `remote-viewer spice://localhost:3001` and add `--spice-debug` for debugging.
 
 
+# Custom Build or Local Development
 
+If you are building Docker-OSX locally, you will want to use Arch Linux mirrors.
+
+Mirror locations can be found here (use 2 letter country codes): https://archlinux.org/mirrorlist/all/
 
-# Custom Build
 ```bash
 docker build -t docker-osx:latest \
-    --build-arg VERSION=10.14.6 \
-    --build-arg SIZE=200G
+    --build-arg RANKMIRRORS=yes \
+    --build-arg MIRROR_COUNTRY=US \
+    --build-arg MIRROR_COUNT=10 \
+    --build-arg VERSION=10.15.6 \
+    --build-arg SIZE=200G .
 ```
 
 # Custom QEMU Arguments (passthrough devices)
diff --git a/vnc-version/Dockerfile b/vnc-version/Dockerfile
index 0b3fe0f..971dfb1 100644
--- a/vnc-version/Dockerfile
+++ b/vnc-version/Dockerfile
@@ -7,7 +7,7 @@
 # 
 # Title:            Mac on Docker (Docker-OSX) [VNC EDITION]
 # Author:           Sick.Codes https://sick.codes/        
-# Version:          2.6
+# Version:          2.7
 # License:          GPLv3+
 # 
 # All credits for OSX-KVM and the rest at Kholia's repo: https://github.com/kholia/osx-kvm
@@ -72,14 +72,21 @@ MAINTAINER 'https://twitter.com/sickcodes' <https://sick.codes>
 
 USER root
 
-RUN tee -a /etc/pacman.d/mirrorlist <<< 'Server = http://mirrors.evowise.com/archlinux/$repo/os/$arch' \
-    && tee -a /etc/pacman.d/mirrorlist <<< 'Server = http://mirror.rackspace.com/archlinux/$repo/os/$arch' \
-    && tee -a /etc/pacman.d/mirrorlist <<< 'Server = https://mirror.rackspace.com/archlinux/$repo/os/$arch'
+ARG RANKMIRRORS=no
+ARG MIRROR_COUNTRY=US
+ARG MIRROR_COUNT=10
 
-# ARG MIRROR_COUNTRY=US
-# RUN curl -s "https://www.archlinux.org/mirrorlist/?country=${MIRROR_COUNTRY}&protocol=https&use_mirror_status=on" | \
-# sed -e 's/^#Server/Server/' -e '/^#/d' | \
-# rankmirrors -n 5 - > /etc/pacman.d/mirrorlist
+# Arch Linux server mirrors for faster builds
+RUN if [[ "${RANKMIRRORS}" = yes ]]; then { pacman -Sy wget --noconfirm || pacman -Syu wget --noconfirm ; } \
+    ; wget -O ./rankmirrors "https://raw.githubusercontent.com/sickcodes/Docker-OSX/master/rankmirrors" \
+    ; wget -O- "https://www.archlinux.org/mirrorlist/?country=${MIRROR_COUNTRY:-US}&protocol=https&use_mirror_status=on" \
+    | sed -e 's/^#Server/Server/' -e '/^#/d' \
+    | head -n "$((${MIRROR_COUNT:-10}+1))" \
+    | bash ./rankmirrors --verbose --max-time 5 - > /etc/pacman.d/mirrorlist \
+    && tee -a /etc/pacman.d/mirrorlist <<< 'Server = http://mirrors.evowise.com/archlinux/$repo/os/$arch' \
+    && tee -a /etc/pacman.d/mirrorlist <<< 'Server = http://mirror.rackspace.com/archlinux/$repo/os/$arch' \
+    && tee -a /etc/pacman.d/mirrorlist <<< 'Server = https://mirror.rackspace.com/archlinux/$repo/os/$arch' \
+    && cat /etc/pacman.d/mirrorlist; fi
 
 USER arch