My team immediately started using Visual Studio 2010 after it’s release in April. We were waiting early for Silverlight 4 which was a component of the release, so we switched IDE’s right away. I like the feature set very much, but the performance is subpar and plain awful in some areas. I am running Resharper 5.1 EAP (nightly builds). 5.0 had a number of issues and several performance problems. I upgraded to 5.1 after reading this thread on JetBrain’s forum. It’s hard to tell whether the performance issues are caused by the core IDE or Resharper, but there seems...