I have a ebay "Gripforce" Clutch. It is a 6-puck sprung clutch. It grabs pretty well. It is kind of annoying, but for some reason the peddle has very little pressure onit, so it is like driving a stock car, you just can't slip the clutch - if you do you greatly reduce the life of it.

Other then a cheap ebay clutch, I'd reccomend a Spec stage 2+ clutch, they are desiel as fuck. But if I were you I'd rather spend 150 on a clutch and the extra 270 bucks on those 300ZX TT wheels that dude man is selling on LookOut!