Just thought id let you's know that Game will offer you £25 trade in price for this game which is pretty awesome considering I only paid £19.99 for it at Argos and had fun completing it.
If you have completed it, its worth handing it in for more than what you would get on ebay. Do it quick tho as Game staff told me that this may end soon as the game is getting quite popular for trade ins.
I bought Guitar Hero 2 for PS2 for £19.99 once ive traded the game in and got £5 off student discount. Pretty awesome if i may say so.