Wheel and Tire Fitment Calculator

I have this spreadsheet for my RX7 that you just plunk in the rim size, tire size and offsets and it tells you if the wheels will fit or not and give you the inside and outside clearances. The link is here:

http://www.rx7club.com/showthread.php?t=416251

Does anyone here know of something similar for the NSX? I would think a tool like this would clear up a lot of wheel fitment questions.