Android 4.0.3|Sense 3.6 Base - from Minecraft Zombi.es
build.prop Tweaks
init.d Tweaks
Rooted
Wifi Fix
Bravia Engine Cooked In
ICS Icons added and resized for lockscreen
ICS Status Icons
Custom Icons in Settings
Nova Launcher
ICS Keyboard

This should be quick, smooth and browsing/loading should be faster. Your WiFi should be more stable, data should improve. Your camera and video quality should have an improvement too. This is a start as I am not to this developing, as I learn I will update this