Above printer is currently £79.99 at Amazon and HP are currently offering £40 cashback until 31st of July via online redemption, making this £39.99 once cashback has come through!
Excellent price for a colour inkjet printer/scanner/copier/fax which has built in wi-fi, ethernet, automatic duplexing (double-sided printing), and can operate standalone by a touchscreen interface.
Once purchased, please visit "http://h40059.www4.hp.com/savemoney/hp-officejet-pro.html" to claim the £40 cashback.
This printer is £100 pretty much everywhere else, and was £99.99 at Amazon this morning when I checked. I've just gone to order it and found £20 has since been knocked off. Bonus!
See BigBadJon's post for cheap colour cartridges here: http://www.hotukdeals.com/deals/hp-920xl-ink-yellow-magaenta-cyan-8-37-tesco-instore/955719
Also. many thanks to HotUKDeals member 'Dash' as he posted a similar deal to this a couple of weeks ago, when PC World had this printer for £79,99, and I've used a lot of information from his great description
I hope this has helped someone.