Olens Technology XPJ-USA010 Personal Entertainment Projector, cheap, actually costs under 200$ ($179.99). Olens Technology XPJ-USA010 has a resolution of 640 x 480, & can project up to 70-inch image.

Olens Technology Tech Specifications:

• Resolution: 640 X 480 pixels (VGA Standard)
• Projects a 50 inch picture at 2 meters, can project up to 70 inches
• 270 watt lamp produces a clear and bright picture in slightly dark rooms
• Composite, S-Video, and VGA video connections allows you to connect computers and video game systems – Support: Composite Video (AV) – RCA jack, S-Video, VGA / PC jack
• 300 hour lamp life (extra lamp included)
• Built in stereo speakers, 2 watts each
• Power: AC / 120V; Main Power: AC Power Switch
• Lumen Flux: 300 LM
• Audio: Built-in Stereo 2W X 2 speakers
• Control Key: Menu, up / down, enter / exit, DC Power (ON / OFF)
• Cooling: Low Noise Fans (three fans)
• Size: 390×200 x 103 mm (W x D x H)