Would like to see a model more like Ninja Blocks (base device with inexpensive remote sensors) then the idea of buying several more expensive components. Would

Would like to see a model more like Ninja Blocks (base device with inexpensive remote sensors) then the idea of buying several more expensive components. Would have been ground-breaking if the Nest smoke detector was a $20 or $40 networked addon to the original Nest thermostat.