You can read the full details here - it's free, technical and should be fun too - just add a comment to their post if you're coming along

The agenda is as follows:

6pm - 6.30pm: Arrive and introductions
6.30pm - 7:30pm: Building RIA Apps
7.30pm - 8:15: Break, Pizza and drinks
8:15pm - 9:15: Security - live demo of Network Access Protection
9:15pm: Wrap up!