Yeah there's tons of GT's around so if you buy a GT-S then you don't really stand out from that crowd. Though it's not impossible to have a nice clean looking Celica.

Still I think even though the GT-S is capable of a bit better numbers (this on a track that has turns, of course) in stock form the RSX-S is a much nicer car and with a few tweaks is still pretty formidable. Plus the engine kills the GT-S.