Just been to Swindon Designer Outlet and see a new shop HMV Clearance Outlet tucked away in a corner. Had a quick look and come across this for only £6. Had about 40 of them on display in a few different shelves, one as you enter the store at the bottom, and a load on the middle shelf on the left hand side of the store.
Amazon and Play.com were originally selling this for £9.99 and have only just dropped the price to £7.99. That makes this a super deal in my opinion.
In case any fans haven't heard, Season 1.5 (Part 2 of season 1!) have been brought forward to October 2010 return date instead of January 2011 in the US on Syfy, and i believe that Sky are following suit and resuming the season in October too.