July 13, 2006: It is reported that Microsoft has made VirtualPC available as a free download.
August 10, 2006: Microsoft gives VirtualPC the axe.
If you want to get it while you still can, the download page is here.
Update:
radarrider pointed out that VirtualPC is now available both for the Mac and for Windows, and it is only the Mac version that Microsoft is killing. VirtualPC for Windows will still be developed.
Of course, this raises the baffling question of why Microsoft no longer wants to sell a product that allows Mac owners to run Windows on their Macs, but is going to continue to develop a product that allows owners of PCs to run non-Windows OSen under Windows.
Oh, by the way ...