OK, pick one here:
Fastest ROM: XboosT (Android 4.0, stock based, extremely minimal)
Fastest JB ROM: Termin (Android 4.1, stock (soon CM) based, recommended)
Most customizable ROM: CM10 (Android 4.1, CM, video recording and compass don't work)
If your bootloader is locked: Stock ICS (Android 4.0, stock, fastest stock ROM)
If your phone is dual SIM and you want JB: CM10 (Android 4.1, CM, video recording doesn't work)
Insert really cool signature here...