Gray screen or Grayhawk will give you best contrast at mild expense of brightness. Thumper can modify DLP's to improve blacks. You can search prior posts for details. He's well known for quality work. Search for his name and email him for possibilities and prices.
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIY’s, product reviews, accessories, classifieds, and more!