Pure is an off-road racing title under development by Black Rock Studio, who you may recall produced Moto GP and ATV Offroad Fury under the banner of Climax Racing.
With those credentials you'd have to expect they'll know one end of a quad bike from the other, and with Disney distributing the new title it's bound to get some leverage in a market already spoilt for choice with racing sims.
We were over at Disney's distribution offices the other day checking out The Chronicles of Narnia: Prince Caspian, during which time we were informed that Pure was definitely going to be released here, and furthermore, they're expecting great results. No official word as to a timeframe, but we can wait.
In the meantime, there are enough screenshots below for you to print them out and assemble them as a flip-book, which will keep you entertained until it's released.