Okay, The Departure comes out in the USA on Feb 5th, but it seems you can already get the E-book here on Baen.
The people at Night Shade Books are looking forward to bringing The Owner Trilogy to print in the US and have scheduled The Departure for publication Feb 5, 2013 with Zero Point following May 7, 2013 and Jupiter War September 3, 2013 (catching up with publication of that last book in Britain). Nicely keying into that my short story The Other Gun will be appearing in Asimov’s April/May issue that year with, of course, mention of these books in attached biog. It should be an interesting year with those three books slamming into the American market in rapid succession. In essence this should work as quite a profile-raising exercise.
Well, now it's been pointed out to me:
"British author Asher is rapidly becoming one of the major figures in 21st century SF" - Publishers Weekly.