I was wondering how much unsprung weight one can save by going with a lighter wheel...i think the stock AP2 wheels are already faily light, but 3 or 4 lbs a corner would be great to save...

Any recomendations on light wheels?

 

Volks, Advan, etc.
Combined with some light tires, you can save several lb's per corner.

 

My SSR comps weight in at 14.5 pounds at 17 inch (wheel only, no tire). They weight less than the stock 16's my 00 came with.