Enterprise Library 3.1: A new version of the Enterprise Library 3.1 was released in May. You can download it from here.
The Smart Client Software factory was also updated in May. The download link is here.
Subsonic was also updated mid-May to version 2.0.1. Subsonic is an ActiveRecord based Code Generation tool and is well worth checking out. You can literally get a website up and running in less than 30 minutes! You can download from CodePlex here and check out the screencast walkthrough. David Hayden’s short version of the same is here.
The Windows Forms site seems to have metamorphosised into http://windowsclient.net/ to include WPF. There are videos, controls and a windows forms FAQ.
Virtual: Over at Microsoft TechNet you can try out Windows Server 2008 via a collection of Virtual Labs. In fact, there are an extensive range of these here for many Microsoft products.
SQL Server 2005: Must read article Top 10 Hidden Gems in SQL Server 2005. Also of interest is the SQL Server 2005 Performance Dashboard, a collection of Reporting Services reports for monitoring and resolving performance problems. You can download the .msi file here. For a comprehensive overview of installing and running the reports have a read of Making the Most Out of the SQL Server 2005 Performance Dashboard by Brad M. McGehee
Biztalk: If you haven’t already seen it, this article contains 8 good tips.
If that didn’t give you enough to do, can anyone tell me how Microsoft thinks it’s a good idea that if I copy and paste something into an Outlook 2003 email from a web page, and I’m on dialup, Word 2003 comes to a halt too?!? To say it is annoying, is a bit of an understatement!