A 75-inch 4K TV for less than $500? Grab this Vizio ... and it also offers Intelligent Screen Alignment and Intelligent Obstacle Avoidance, which makes setting up the projector much easier.

Like any projector, they also can't compete with ambient light. An ambient light-rejecting screen can help considerably, but they aren't cheap. When you can get a 100-inch TV for $3,000, which will be ...