Saw that the Steam Frame was wireless and lost interest. Wireless is always an extra complication that never improves things. I've learned lots about framing to hardwire my home network. Sure, make it an option, but I won't pay for latency, battery life, battery weight, cost, or pairing issues of wireless solutions. Give me (replaceable, standard) cables anyday!
That said, there is hope, because if there is a wireless version and it takes off, it can't be hard to make a wired version.