thanks for the help.
@lilyoyo1 I understand your distinction between automation and control. for me what pulls me is that anyways I'd like an intercom and a video doorbell. and while I will certainly take advantage of isy's automation and keypad's scenes, I'd like ease of control for those times automation doesn't apply. especially for my wife who doesn't own a smartphone (on principle!) and my young kids who I don't want to give a smart phone. automation works for "away" and "nighttime" morningtime" scenes, but with a family of 7 with different ever-changing schedules there are going to be hands on controls for light and music...
as per the price, yes it's not cheap. and to take full advantage of it I'd need probably 4 units. I am justifying the expense to myself because of the intercom and video door, which I'd otherwise buy elsewhere, plus the fact that they include a ~40$ lifx with each switch...
@carealtor thanks again, good to know about the ecobee, I was just cooming to terms that I will have to start sharing my life's secrets with alexa, now I'm might need to do the same with smartThings!
will keep you posted...