Walmart (asda owner) have posted on their site an Android Tablet for a very low 50 dollars, heres a look at it:

The Pandigital R7T40WWHF1 Novel with WiFi 7.0" Touchscreen Tablet PC has everything you need to connect on the go. Load your favorite books on this tablet PC and read wherever you go. Browse the Internet with the included browser.
Pandigital R7T40WWHF1 Novel with WiFi 7.0" Touchscreen Tablet PC:

Technical Specifications:
  • Samsung ARM 11 Mobile processor
  • 1GB DDR2 of system memory and 4GB on-board storage memory
  • 7.0" touchscreen, 800 x 600 resolution, virtual keyboard
  • Built-in 802.11b/g/n Wi-Fi

Additional Features:
  • Mini-USB 2.0 port, 2.5mm jack
  • 4GB on-board storage memory, additional memory via SD/MMC card slot
  • Accelerometer
  • Built-in rechargeable 1600mAh lithium-ion battery
  • Weighs 19 oz; 7.5" x 0.5" x 5.5" dimensions

Software and Applications:
  • Android OS
  • Email, Alarm Clock and Calendar, Games, Tools
  • Web browser and Android market (for applications)
  • Music Player
  • Media Formats: PDF, EPUB, MP3, WAV, AAC, JPEG, BMP, PNG, GIF and MPEG4

What's in the Box:
  • Tablet, battery, USB cable, cradle/stand and AC adapter

More details and screens of it here -->