TomTop offers the UC46 Portable WiFi LED LCD Projector in Black or White for $52.99 plus $5.81 for shipping. That's the lowest price we could find today by $9, although we saw it for $3 less in April. It features an 800x480 native resolution, 800:1 contrast ratio, 1,200-lumen brightness, 802.11n wireless, USB, HDMI, and SD card slot.

Note: The countdown timer on the product page does not reflect an actual expiration time and resets daily.