Source: XDA Developers
Features
XWJS5 / Precision 3 base
JK4 Modem
SpeedMod K13b Kernel by hardcore
Android Particle bootanimation by Dysgenic
Nexus S CRT shutdown animation by AtariBorn
Samsung Contacts / Camera / MMS / Phone with AOSP icons
BatteryMod w/o percentage
Extended power menu
Nexus S notifications and ringtones
Features
XWJS5 / Precision 3 base
JK4 Modem
SpeedMod K13b Kernel by hardcore
Android Particle bootanimation by Dysgenic
Nexus S CRT shutdown animation by AtariBorn
Samsung Contacts / Camera / MMS / Phone with AOSP icons
BatteryMod w/o percentage
Extended power menu
Nexus S notifications and ringtones