Two years ago when I was about to purchase my IF 7200, I E-mailed Evan Powell at Projector Central and asked what Screen would be best for my dedicated Home Theater. I wanted a Screen that was 16:9 with a 120" diagional. He gave me two choices:1.Stewart GreyHawk 2. Draper HiDef Grey . I chose the Draper HiDef Grey because it was less expensive than the Stewart GreyHawk and according to Evan the picture quality between them was not that significant. I have found that the Draper HiDef Grey enhances the colours and makes blacker blacks without compromising the whites.
In the past, I have used a Flat white painted wall, with the area around the white painted Flat black and yes the picture was good. I thought that it could not get much better than this, until I received my HiDef Grey Screen. Seeing is believing, the quality was that much better.
A budget of $300 will not purchase a good quality screen. If you want to have a quality picture, which the IF 7200 can give you, it would be worth spending a little more.