Even still, the 8GB model would probably retail for over $200. Sub $200 looks like the target. And re: Touchless Control, it depends on Google Now for most of the commands after "OK Google now.." and AFAIK, needs to be set to US English. Not going to help anyone speaking Portuguese or Spanish..\
For always listening functionality, it's not as easy as you'd like it to be (parts, R&D) and it doesn't even work for 90% of your target demographic.
The contextual computing processor for motion might have been more useful.