For those users who have downloaded the Release Candidate (RC) of Windows 7, VMware has announced that it works great in the current version of Fusion, even though it's not yet officially supported. (I can confirm this, having tried it on my own Mac.) Because Fusion hasn't been updated with complete Windows 7 support, you need to follow a few extra steps, explained in this blog post, to get the Windows 7 RC working happily in Fusion.

—Posted by Joe Kissell on May 21, 2009