Just as a followup to our last post, this evening we have posted a security advisory detailing what you can do to protect yourself from the Win32/MyWife.E worm (hint, don't open attachments!) as well as additional info on how to get cleaned from it if you have been infected (hint, we recommend using the Windows Live Safety Center Beta at http://safety.live.com). The Antimalware team has also blogged on this as well.
Here's the advisory:
*This posting is provided "AS IS" with no warranties, and confers no rights.*