Every comparison I read puts them about the same. For me, I'd buy the evo if I really wanted to do some modding. I'd buy the sti (not 06) for looks and interior.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15