Plus given that my XBMC hardware configuration was a Zotac e5300 with 2GB memory, running it on W7 is a bit slower than I hoped. Not sure if bumping it to 4GB will see a drastic change in performance.

I think there are enough of us using XBMC to warrant a single thread for discussion, questions, tips, maybe even a place to show off screenshots once you get everything dialed in just the way you like ...