Loads to choose from depends how much you've got to spend:
Supra Diff
7.5" Bara 240nm with forged planet and sun gears
7.5" Gripper
7.5" Quaife ATB
7.5" Titan
8.8" Ford
Jag 10.5"
9" Motorsport

Personally after a chat with Craig at Dyno Torque I quite fancy a Viper SRT10 Diff.
Rich