i voted sub, mate just bought a 2nd hand RS sedan, its not to bad, (i dont like the look of them) but for what you want, it drives pretty nice and grips the road.
I'd go for a 2002 model B4 - they were 60k new, you can pick them up now for about 30k.. my mate owns one who i car pool with to work, it handles well, has a bit of go when you need it, and, has 4 doors, full leather interior... When i get over the GTR i'll definatly be looking at one or the new GT... (If i can't afford my M3)