Three months after first introducing Windows 7’s virtual XP Mode, Microsoft has announced the availability of its release candidate (RC) version. As previously reported, this is an optional add-on for Windows 7 Professional or higher, and is aimed at helping small to medium-size businesses upgrade to Windows 7 by giving them a virtual Windows XP environment capable of running any legacy applications they may rely on.

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This is a big bonus since the software I use usualy takes a couple tyears to catch up with the new O/S.
Vista has been supported for only a year now.

Requires AMD-V or Intel VT, and takes 15GB.

For XP, that sounds a little excessive...

Its not just XP - its running Microsoft virtual server as well and needs some space for overheads.

This is really nice

i wonder how stable it is . we have a windows WebServer 2003 running on a linux virtual machine and we have had some stability issues (all fixed now)

Im going to give this a try