Hell, the regular evo 4 cyl can easily go over 450 with some new internals and a big turbo. But then you are talking a lot of dollars as well. They are all good platforms, some better than others due to AWD, but in the end it boils down to money.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
but in the end it boils down to money.