What laptop is good for games on the highest settings. for less than ?400?

I'm looking to buy a laptop that is good for gaming on the highest settings and less than ?400. if there isn't any laptops less than ?400 than what is the cheapest?
What is the best laptop for gaming for ?400? I only have ?400 and I need a laptop. What would be the best choice from that price range?
I'm looking at this: http://www.currys.co.uk/gbuk/hp-pavilion-g6-2213sa-laptop-red-18093449-pdt.html#longDesc
Is that laptop good for gaming?