I've downsized as I wasn't happy with my 770 performance with the extra screen to work at so this is on ebay but if anyone wants to make me a nice offer, you'll get first refusal. Postage is an estimate to cover ebay but it could be less.
http://www.ebay.co.uk/itm/171831479485?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649
http://www.ebay.co.uk/itm/171831479485?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649