I posted about this quite some time ago. There was supposed to be 101 samples posted and for the longest time (prior to RTM), they only had 50 posted and it said "check back soon". Apparently soon is about 6 months.
Anyhow, the samples have been updated and there are samples in there for everything form encrypting data and Office integration. It even has Table PC and Compact Framework stuff if that is your bag.
101 .NET Framework 2.0 Samples
Read the complete post at http://www.dotnettipoftheday.com/blog.aspx?id=264