In case you haven't seen, service pack 1 has been released for .NET 2.0.  I have included the links to it below.  Enjoy.

2.0 SP1 x86
2.0 SP1 x64
2.0 SP1 IA64

A lot of issues were fixed in this service pack.  For a list of what as fixed, take a look at:
Problems that are fixed in the .NET Framework 2.0 Service Pack 1