Today's Real News: Beta 2 Released
Unless you've somehow been avoiding all of the announcements that have come out today, then you know that today Windows Vista, WinFX, and Office 2007 all had their Beta 2 release today. The Beta 2 version for WCF was snapped not too long after the February CTP release went out. This means that there's only a small set of incompatibilities to deal with in this release.
To upgrade, you'll want to uninstall the February CTP components, and then get: