It looks like I will be at Mix06 in Las Vegas at the end of March. www.mix06.com
I'll be helping out in the IE7 compatibility lab where you can work with members of the IE team to ensure compatibility with the new version of IE. This should be a fun conference that is unlike the traditional Microsoft conference with more discussion taking place and great participation from others as well as Microsoft employees.
Some sessions that promise to be quite interesting with regards to IE: