so you got a projector and a screen?? or is this a tv?
If its a projector,, go to Homedepot get 3 or 4 , 4x8 sheets of white high gloss MDF sheets, and put them up for your screen... thats what i run....so its 12feet by 8 feet.. looks sweet in high def... and its a $90 screen so 173incher for $90