PAUL! You sir are AWESOME. You mentioned Brian Regan and his pizza/pie joke. We discussed Brian Regan on YouTube in the past.
Anyway.. Happy Birthday bro. As for how to celebrate, hmm, perhaps a Kinect Sports party, wine coolers, and junk food. Yeah, I'm lame.
Microsoft stores, sadly, I have yet to go to one, but based on video and photos they look fantastic, colorful, and more fun than competing stores... One chain of competing retail stores reminds me a hospital morgues or operating rooms; sterile, white, cold and a whole lot of blah..