I guess anyone that is technically capable of running this thing already have enough hardware to setup the similar function with dedicated platform and much higher performance

The unique part is that trading platform (built-in and close sourced), which does not make lots of sense since other dedicated trading solutions already exists today

I would more like to see a POS terminal which accept mobile bitcoin payment, but that is also not necessary since anyone can setup a tablet with much lower cost

There are so many rich people in this world, 21 Inc. just proved that