Visual Studio 2010

Taking the big step of moving to VS2010/Silverlight 4 today. I've been using VS2008 with Silverlight 3 for some time now. Upgrading is always fraught with danger. Will the third party components I use still work properly? Will my code still compile? However, there are enough new features in Silverlight 4 to make the effort worthwhile. Here's hoping for a smooth transition...