Argos had this offer on before xmas and it only lasted a few days. They then put it back up to £80 with the games. Reserving the item online doesn't mean your going to get the item at that price. The offer should be good for another week though. When ordering or reserving online remember to add the 4 games to your basket, you then get them for free. The games are Halo 2, Fable, Forza Motorsport and Project Gotham 2. Even if you don't want it for games they are easy to softmod and you can use them for playing DVDs without the dongle, MP3s and most video formats including xvid and divx on XBMC.
http://www.argos.co.uk/static/Product/partNumber/5671867.htm
http://www.argos.co.uk/static/Product/partNumber/5671867.htm