I agree 100 percent! 18's are pretty much optimum. I have 17's now and get alot of compliments but at least in my application 18's are the best balance between looks/tire sizes/ and brake and control arm clearance.

11.48 @ 120 with a 1.80 60' 318, stock 1.88 heads, stock 904, Pump Gas, 13 lbs of boost.

9.94 @ 134, 318 on pump gas, 14 lbs w/ Eddies, transbrake 727, 3600 lbs, 3.54 gear and 28's.