BFLs got a ton of pictures of chips and mining equipment, and they're still scamming people left and right. "Our shipping queue will be fully shipped by the end of September." ... Yeah, right... and pigs can fly.
Actually, for the last week, every day BFL has been able to ship about
10-15 days' worth of Single SC pre-orders. For example yesterday alone, they shipped all the Oct 3-17, 2012 pre-orders:
https://forums.butterflylabs.com/blogs/bfl_jody/There are ~330 days of pre-orders remaining to ship, so at this rate they should need merely 20-30 more days to ship everything, which is approximately mid October.
Plus, the number of pre-orders almost certainly slowed down in late 2012 and through 2013, so again assuming they can just maintain the current rate of shipping, we should see BFL able to ship a lot more than 10-15 days's worth of Single SC pre-orders... so their "end of September" estimate seems absolutely plausible.
Addendum: it is a different story for Jalapenos and Mini-Rigs... BFL is outsourcing Jalapenos, and seem to have a lot of issues producing Mini-Rigs, so they might not finish shipping these 2 product lines any time soon.