I have finally found a tablet that meets my needs and is not too expensive. It comes from cube has a RK2918 CPU Capacitive 7" 4:3 screen and costs $200 from hotmid. Does anyone have any experience of cube products?
hotmid.com/cube-u9gt-rockchip-rk2918-7-inch-capacitive-android-2-3-wifi.html
hotmid.com/cube-u9gt-rockchip-rk2918-7-inch-capacitive-android-2-3-wifi.html