I been meaning to go for awhile, but I'm definitely going to the NYC .NET Developer's Group meeting tonight at 6pm (along with at least two buddies of mine). The meetings are at Microsoft's offices on 50th and 8th.
Tonight's topic should be quite interesting - Chris Kinsman is going to talk about creating smart clients with .NET.
For anyone else in the area, I hope to see you there. If anyone is reading this and also planning on attending, let me know - maybe we can all get together for a drink afterwards.