[mrmagooey]

And possibly not with ASIC given the potential of multiple vendors worth of ASIC's coming online at roughly the same time. I believe at least one has shipped the bare hardware.

[sp332]

Several have shipped, including Butterfly Labs (although they're still backordered). Here's a review http://arstechnica.com/gadgets/2013/06/how-a-total-n00b-mine... Looks like they'll be profitable for a while yet.