There are about 4 Windows 7 machines in our house. (Well, 3 but, I have both 7 (x86) & (x64) in mine & a W7 VM). Just gotta say connecting, sharing & collaborating multiple Windows 7 machines is sweet, slick & smooth w/ Homegroup! So quick & easy... including ability to share a printer, w/out it being wireless or needing a Print Server. Homegroup is a homerun! Cheers Drew - MS Partner / MS Beta Tester / Pres. Computer Issues