I don’t have any particular exotic hardware on my system, but Windows 7 still struggled to find drivers for basically everything. Screen resolution was limited to 640 x 480, and my external mouse didn’t work because apparently Windows 7 doesn’t have USB support. Bizarre. I’ll spare you the details of what I had to do to get the wireless working, but let’s just say it involved 27 hours of crying.
Our default policy for Windows XP PCs is to log in to domain based accounts to access the PCs. Ctrl-alt-del - Username - password - domain We have 1 Mac user. Currently he doesn't have to log in to his domain account to access the Mac.