Weenie check out the deals on the MS store, i will look for better ones but check the prices and what extra you get like controllers and games, you maybe surprised, don't rush into buying anywhere yet.
http://www.microsoftstore.com/store/...151024161036:s
This looks good and Limited Edition and in stock.
500gb console, 2 games, 2 controllers(1 limited edition) £309.99
http://www.microsoftstore.com/store/...ctID.311246000
Priced up the deal for you with an external drive.
This limited edition Bundle includes:
500GB Xbox One
Halo: The Master Chief Collection full game download
Gears of War Ultimate Edition
Xbox One Special Edition Covert Forces Wireless Controller
Wireless Controller and headset
14-day Xbox Live Gold trial**
£309.99
External 2TB hard disk £59.99
http://www.amazon.co.uk/Seagate-Expa...drive+for+xbox
Grand total = £369.98 so only £20 more than your Argos deal and that is with a 2TB external drive and 1 less game(which i am sure you could get cheap else where) i think it is a steal unless we can find cheaper.
Links to other stuff.
EA Access £20 a year with all full games in the vault free to play (14 at the moment and some are awesome)
http://www.ea.com/eaaccess/en_GB.html
Cdkey.com legit site, cheap game digital game keys and memberships.
http://www.cdkeys.com/xbox-live/games