Looking for the cheapest tablet device, but you at the same time want the best for only U.S. $ 150 you can buy a ASUS MeMO Pad HD 7 tablet, which offers you the screen is excellent in terms of colors at a resolution of 1280 to 800 in addition to the quad-core front camera and rear camera and a capacity internal 16 GB with a port for external memory microSD and battery can withstand to 9 hours of moderate use.