I've signed up for Tim Sanner's one week basic framebuilding class in Palo Alto the week of January 4-8. The class is 11:00 - 5:00 M-F, and there are only two students per class (I'm one; Tim is looking for a second). The cost is $800, and you leave with a lugged steel frame you've built yourself. Materials for your frame are included in the $800.
Here are some details:
One of his recent students blogged his experience: