I installed Win 7 over the weekend. My first issue was that I had no sound (not suprising since it is a Creative sound card). I went to the Creative site and downloaded the latest Vista driver (no beta drivers for Win 7). Tried to install and it said
that it was not a supported version of Windows. So I run the compatability troubleshooter (nice feature) and after that it ran fine. Sound now worked.
I installed Warhammer Online to test performance and it looked like the whole game was running in slow motion. I went to the NVidia site and installed their latest drivers (released Jan 8 and was actually Win 7 drivers. I was very suprised). After that Warhammer
ran great. I still haven't tested printing yet with my HP printer so we shall see if I have any issues.
Overall I am very happy with Windows 7. I am very excited for that release.