Just got an email from dyson on this. Seems better than the DC30 from john lewis which someone mentioned was an older model and not even on Dyson's own website.
Black Friday Event: Save £100 on DC56H
The DC56H handheld vacuum cleaner is engineered with the Dyson digital motor V2 to deliver twice the suction power of any other handheld in use. And in the last of Dyson’s Black Friday sales events this year, we’re offering you the chance to own DC56H Handheld for just £99.99.