I have the Dell U3417w and had the u3415w before and both are awesome, I don't game though. You might be able to pick them up used/refurb on ebay for £500 or I bought mine new on Amazon (think it was Amazon DE) as it was a lot less than over here.
Just the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.