Excitingly, it seems that Origin is becoming available for pre-order from a variety of different sources:
Amazon - http://www.amazon.co.uk/Origin-JT-Brannan/dp/0755396839/ref=sr_1_fkmr2_1?ie=UTF8&qid=1335270076&sr=8-1-fkmr2
Waterstones - http://www.waterstones.com/waterstonesweb/products/j-+t-+brannan/origin/9174508/
Foyles - http://www.foyles.co.uk/Public/Shop/Detail.aspx?itemId=22756008
You should also be able to order it from other places with the ISBN numbers:
ISBN 9780755396832 (trade paperback, £12.99)
ISBN 9780755396849 (mass market paperback, £6.99)
Out of the 33 million books available on Amazon, the trade paperback of Origin managed to make it to a sales rank of 4,748 only about twelve hours after appearing!
So many thanks to all of you who have already pre-ordered a copy!!!