-Head to Toe is a MUST!
-Pre roll would be very nice as well
-PoE
-Apple HomeKit
I wouldn't want to see subscriptions. I would rather pay more for the device than have a monthly sub.
By the way, are you looking at a Q3/Q4 release or it will be next year? I haven't bought a doorbell yet and I will hate myself if I buy one soon and then you release it. 
