Receipt proof: http://img689.imageshack.us/img689/3228/ffreceipt.jpg
I am very aware that stock is very limited but thought this was worth posting. I've been waiting forever for this to drop so happily picked it up today. To my surprise, the game is still sealed and the artbook is in mint coniditon. =) Happy days!
Their price online is still £47.98 (http://www.gamestation.co.uk/Games/PlayStation-3/Role-Playing/Final-Fantasy-XIII-Collectors-Edition/~r418897/?s=Final+Fantasy+XIII+Collector)
Cheapest online price is £43.99 at Coolshop.