I've been on the lookout for this for a while...you could actually trade it back in for more than what you paid. Has it been cheaper?
CEX trade-in value: £5/£6 (cash/credit)
Game trade-in value: ££2.50/£3.50 (cash/credit)
Potentially £7 store credit at Game if the nearest CEX is within a mile!
The critically acclaimed series returns for its most epic adventure yet! Enter Columbia, uncover its secrets and escape with Elizabeth alive in Bioshock Infinite for Xbox 360
P.S. Thanks for the votes folks - I just got me my Heatwave Badge!