Yeah I had a Mk4 too, ever since the Mk5 they have been pricey. The following are a mix of my top choices and just food for thought that are in that range...
Tier 1
E46 M3 SMG (closest you'll get to a manual without a clutch)
Boxster S
Tier2
B6 Audi S4
Audi TT
Infiniti G35
Pontiac GTO
Corvette
GTI