A few things to point out before buying a windows tablet.
1. 32GB+ storage space (Don't try to get a 16GB tablet, you will only get like 5 GB of free space left to use)
2. Research the reviews of the tablet you're interested in . A lot of cheap tablets attend to go towards having a really poor touch screen. You can test the touch screen by trying the demo tablets in stores.
3. Get a Bluetooch mouse & micro usb adaptor - female to male. Trust me, you'll need it in future unless you going for hybrid laptop/tablet ones
I suggest you should wait for next gen of 8 inch tablets that comes around in 6 months. The current tablets available are disappointing in my opinion. I brought one myself & then I gave it back a week later cause it was a pain in the *** to use it.
If you really want one, I suggest getting
Dell Venue 8 Pro
Toshiba Encore 2
Lenovo Miix2