At the last TechMentor (in Orlando), I did a Windows PowerShell pre-conference workshop. The conference was kind enough to let me record it – I basically just used Camtasia, so …...
It's called TechMentor. The next one is in August, at Microsoft campus. Yup, in Redmond. The mothership. And, unlike larger shows (like TechEd), you won't be one of 15,000 people crammed into a convention...