I run Forgestar F14 18x10 all the way around with 285/40 18 Goodyear Eagle F1 Supercar tires. The tires are a little heavier than I would like, but they were stupid cheap so I decided to try them out.
I got the wheels and tires for under $1,700. They are about 50 lbs lighter than stock.
http://www.camaro5.com/forums/showthread.php?t=237217
