In terms of your how critical list (for <20 camera market), the answer is no, no, no, no, no and no.
The report you really should look at is: Hikvision iVMS-4200 Tested. It's pretty rudimentary, not terrible, but just pretty basic.
Differentiator is that the hardware is super inexpensive plus the software is free. For most of the SMB, this is the right combination.
I don't have a critical feature list, but the single greatest feature we really, really miss on our ADT system is the ability to extract video remotely.
This was claimed as a feature on ADT Matrix, and indeed there are menu selections for that feature. Too bad they don't work, even for ADT Matrix tech support.
Time to climb into the old jalopy yet again and spend the 2 hr round trip to pull some recorded footage.
Now, the 2nd most missed feature is straightforward video export on-site. It can be done, but it's horribly unintuitive and also labor intensive.
The 3rd most missed feature ... well, nm, why go on? It's ADT quality!
For Undisclosed Customer 1 - why did you select ADT if they did not have the features you were looking for?
Very good feedback 1. Thank you. I will work on making that a priority.
I would definitely add ease of search for incidents and ease of exporting to key stakeholders. Most everything else is just bells and whistles that most customers don't want or need to hear.