go through all of these threads. They will give you a great idea of the setup youll want. There are many factors. I went through each of these threads a couple times before I ordered my Works 4 weeks ago.
Oh and they are actually stickied threads in the wheel/tire section
[Official] 370z wheel fitment guide (pics/specs) only
The "Will it fit?" thread
Wheel Offset Discussion Thread... How far can we go?