Mustang 5.0's have a lot of go-fast, but I don't like American cars.. (matter of personal opinion).
If you could afford a bit more I'd say a 1994-1999 Toyota Celica, they have a sweet body style.
uhm
Supra (MKIII), Honda Prelude, Eagle/Mitsubishi Talon/Eclipse, Nissan 240SX, etc.