The PSU will power the card, but personally I wouldn't trust an unknown, cheap brand like that to power my expensive computer hardware. You're much better off spending the extra pennies on something like:
Coolermaster 500W Extreme Passive PFC PSU - £41.40
500W will be enough power for your...
I've read on these forums that cases with PSUs included should be avoided. However, I have found what looks to be a great deal on ebuyer:
http://www.ebuyer.com/product/146338Coolermaster Black Elite 330 case with an eXtreme Power 460W PSU included.
£59.99
The case looks decent and comes with...