Sorry mate but it's not looking good. I searched PC World UK, Overclockers UK, and Dabs, with no solid results. You may have to look at a different model. If you like see-through stuff I believe Thermaltake's Butterfly fits the bill.
if this is the one you may be able to buy here if you register and then login... http://www.aone.co.uk/ProdInfo.ASP?ProductID=59
but i'd consider a trusted branded PSU...like mine heh i'm always going on about it but i love the damn thing, its the best most silent thing added to my computer...(its a Tagan TG480-U01 Black Silent Edition PSU by the way) or see this thread... http://www.hardwareforums.com/showthread.php?t=5218