使用Mini / Parallels虚拟环境进行开发？

My main Windows development PC, running Vista Business, is getting a little long in the tooth and I'm considering replacement. Its a dual screen setup with 24" and 19" monitors. My laptop is a reasonably new Macbook and I've been using Parallels to mount a Virtual XP system on it for some time and have been pretty impressed. My main Windows development PC, running Vista B