There are a ton of celicas out there that could hang with an STI or stage 2-3 wrx from a roll. You can get a GT-S for wayy less than 20 grand, and with $1500 or so invested it can perform quite well. I saw one run a 13.3 at the track, with I/E/limited slip/50 shot. Its still a chic car, but respectable for being what it is.
Type S's though have the better aftermarket support, and the more compliant ECU's. I dont think Ive seen an N/A one reach 12's yet, but surely its happened. With Cybernations Stage 1 turbo kit, or maybe its Stage 2 I forget.....they've run 11.7 with some sticky tires of course.