I say mk4 R32, there are a few around now and you can get parts easy. Plus I hate the mk5 R32 look. Oh there is a nice 2001.5 passat on craigslist right now, for 11900. It was the ABD Passat they they built up and had in Eurotuner. Just put on tonight. it could always used a bigger turbo

link: http://atlanta.craigslist.org/car/643657203.html