Yesterday I ran across the Updater Application Block - and thought it looked interesting. I downloaded it and started to get it implemented on one of our applications. Conceptually, the idea is great - and from the docs they have put a lot of work into them.
Only advice I can pass along is avoid doing complex regular expressions early on Monday mornings!
Welcome to 2004! I'm doing several talks early this year around ADO.NET and I'm looking for feedback on what things people would find most interesting to learn about?