I'd second Dorkus's recommendation of going via Amazon. I did that to get hold of an out of stock game and the service was fast and courteous. You'd probably end up buying from a different outfit to the one that I dealt with, but I think like E-bay, the reputation keeps the system from being abused.

For people in the UK, here's the link:
http://www.amazon.co.uk/exec/obidos/...311825-1204431