Now writing linqpad tooling

VS2012 since developer preview purely 4.0

My Open source activities

Since just after release VS2010 ultimate (c# .net 3.5, some 4.0) tfs2010 activities, and workflow4 build scripts

Vb.net 2.0 in vs2005 for 2 years
Since June 2009 c# .net 3.5 in VS2008

My Book shelf on shelfari