It's Wensleydale, Grommit!!

Though VirtualPC isn't the best VM by a long shot, consider that MS provide IE VMs for the purposes of comatibility testing! XP VMs that are IE6,IE7,IE8 B1, and a Vista VM IE7 respectively at http://www.microsoft.com/downloads/details.aspx?FamilyID=21eabb90-958f-4b64-b5f1-73d0a413c8ef&DisplayLang=en