Sounds like you're getting closer on your ST crusade!
With all the suspension development done, you could take the ZX2 and drop in an ITB breathing Zetec, slap on some 275s and jump to FSP :D
Parking Lot Hero
2008 WRX daily driver
2003 ZX3 23D Autox Car 42 FSP
"Hella Functional - Raced, Not Hard Parked"