Today is a good day! Just received my stamped Form 1 from the BATF. Shipping my S12 [order# 803] off to Tony in the morning. Hope to have it on the range in a month or two.
If you're interested in the NFA timeline check http://www.nfatracker.com/. Sort by "Stamp Received" and find Jul 28, 2010. The description is "Saiga 12 - Tromix".