The very first Single SC 60gh/s unit was shipped out on Tues 06/11/2013 during the 5 o'clock hour...There were maybe 8 Singles that had been built and tested while I was there, most of which did not have any problems getting into the 60gh range, even with un-binned chips, so no one should worry about getting a device with less than their ordered hashrate.

I hear that 2 Single SC's shipped.