That has usb 3.0 port, hdmi, and micro sd card slot? i searched google and there are way too many tablets that attract me.
I'm surprised you can find that many with those specs for <$200. If you find one with a name you recognize at that price I'd say get it.
I think you should choice Lenovo Yoga Tablet 3 10 HD 10.1" 16 GB Tablet with ram 1GB, processor Apple A5 1.3 Ghz, Screen Resolution 1280 x 800 pixels, camera 8MP, Battery 6200 mAh