Welcome aboard. Glad to help. Have you tried reading thru this sticky? These questions are asked alot and should be answered properly here.
http://www.club-tc.com/forums/perfor...s-more-hp.html
I think you already posted in that section so forgive the redundancy. To answer your last paragraph, a TRD S/C at 9PSI will definately smoke the cars on your short list. You just need to get traction. Overkill and larger foes would be a turbo.