It has 2300 contrast ratio. more than the 300 and even more than the 300+ .The Domino range have a contrast ratio of 2000. The price in my country is going to be between the domino 20 and the domino 30.
As previously mentioned the 280 is a Grand Cinema series projector with the Matterhorn chip set. Features such as enhanced optical light engine to give an even higher contrast performance.