Amazon.com has theElite Screens 100 Inch 16:9 Manual B Pull Down Projector Screen (49″Hx87″W) for $ 61.42 now. This is the lowest price lately.

http://www.amazon.com/Elite-Screens-100-Inch-Projector/dp/B008XG…

• 16:9 Aspect Ratio; Diagonal Size: 100″; View Size 49″Hx87″W; Overall Size: 52.4″Hx93.8″W
• MaxWhite 1.1 gain screen material with standard black backing to eliminate light penetration. 2 side black borders enhance picture contrast and absorb light overshoot
• Auto-Locking Mechanism at 2″ intervals provides a wide range of height settings
• Includes dual wall and ceiling installation and screen lanyard for easy operation
• GREENGUARD and GREENGUARD GOLD Indoor Air Quality certified