You can run any OS you want in the "XP Mode" edition of Virtual PC: http://www.techradar.com/news/software/operating-systems/windows-7-xp-mode-the-complete-guide-662005

>Anyone care to make a recommendation on what they consider the best VM. I am familiar with virtualbox, and also VM Player. I have 8 gig of RAM and i7-2670QM on a new Lenovo notebook, with Windows 7.
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>I realize that Win 7 Pro has a XP mode, but I need to be able to run linux and also perhaps XP.
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>Any suggestions are appreciated.