The VistaSquad User Group are meeting again next week - it's a great place to discuss both development and infrastructure matters with your peers and it's free. If you'd like to attend then simply add a comment to their announcements blog.
The event is described by the VistaSquad as follows:
"Location: TVP, Reading
Date: 31st January 2008
We have James O'Neill from Microsoft giving us a talk on Server 2008 and Virtualisation with Ray Booysen showing us some more detail on Silverlight. Some exciting give-aways at this meeting, one copy of Vista Ultimate courtesy of Microsoft and 2 free licenses for Resharper courtesy of Jetbrains."