So the short story is, in my eyes, as well as in the eyes of others....BFL fell apart, raised their prices, and will probably be impossible to buy their high end devices...let alone the lower end ones.
This is the type of story where you have a rolling turd that just keeps getting bigger and bigger down hill. At each step BFL has always been one issue after another. To examine that for the last 9 months and not come to a conclusion that it is a bad buy in more ways than one....
It would be a great products to buy (well not really anymore) if it actually worked, and they actually delivered...but it just doesn't materialize en masse.
Thanks for the story, a potential MiniRig purchase
Hope Josh could read this 
Avalon has all the R&D people and manufacturer contacts in one place, BFL contracted out some part of their operation, an integrated solution is always slower than a whole solution
But I really think it's good that they don't have MiniRig offering now, this product will kick the difficulty to moon and hurt almost everyone's profit, very bad
I would cancel all mini rig orders if I were BFL. There is no way at 5watts/GHs that product will work unless you have 3 phase installed, or they get some wafers done with fabrication way smaller than 65nm. In either case it's back to the drawing board on that one. How much power can you pull from a typical US domestic power outlet?
About 2400 watts on a standard 20amp breaker. Of course, anybody who's serious about putting in a mining farm isn't going to just plug their shit into a standard outlet and walk away.
Residential power can easily throw down 200a @240v. or 48,000 watts, or enough to run 1600 jalapenos @30watts. There's literally ZERO chance of anybody over-drawing residential power with BFL equipment.
If you're talking about their 1500Gh units, even if you assume 5watts/Gh that's still only 62.5 amps. Plenty of residential hot tubs drawing WAY more than that...
One quick correction to your numbers. The national electrical code states that circuit conductors that are fed by a breaker on a continuous load can only be loaded to 80%. #12 wire rated at 20 amps, derated to 16 amps continuous = 16 x 120 = 1920 watts
http://en.wikipedia.org/wiki/National_Electrical_Code
You would need an 80amp circuit to pull 7500 watts to run a 1500GH/s unit (assuming 5w/GH).