[Update for people finding this post through web searches: the anti-virus tool has been released as the Microsoft Windows Malicious Software Removal Tool (KB890830). You can use that link to download it directly, but really you should be using Windows Update so that you get an automatic update to the tool every month!]

In case you were hiding under a rock today, Microsoft released a beta of an anti-spyware tool based on the GIANT AntiSpyware codebase*. What s