£224.98 with voucher
This seems like a very good price for the 320GB model, and GT5 thrown in. I'm not the most up-to-date on the going-rate for PS3s right now, but I seem to think this is very good.
Quidco & GAME reward points. At that price, the reward points would be worth about £5, and the quidco would be about £2 or £3, taking final (theoretical) price to about £218 or so.