Has anyone tried one of these Laser 7" Android Tablet for FPV. At $69au it sounds a pretty good option if that's all you want to use it for.
http://www.dicksmith.com.au/tablets-accessories/laser-7-mid-742-tablet-dsau-ta7014
http://www.dicksmith.com.au/tablets-accessories/laser-7-mid-742-tablet-dsau-ta7014