One of my favorite recent blogs is Jensen Harris' excellent blog on the Office 12 user experience. As a former (and still occasional) instructor, I am very interested to see how they've re-thought almost the entire user interface for the next version of Office. I wasn't fortunate enough to get picked for the Beta 1 for Office 12, however. (Actually, its worse than that. I didn't even bother to sign up because I thought the Beta 1 would be available to MSDN subscribers. Oops.) I was very in