I currently use aimetis in a 14 camera setup.
While it is pretty powerful and feature rich I have a few issues. (in no particular order)
Price-the standard license is similar to other NVR software, however if you want to do anything advanced (search based off of masks, etc...) The cost shoots up
Resource hog - I have it running on a core i7 with 12gb of ram it sometimes drops the signal of a camera due to to much resources. And this is without me displaying any cameras live on that machine.
Intermittent - for example on the NVR all cameras will display, however on a client machine a few cameras just won't load. While on others they will.
Not as idiot proof - In certain environments you just need it to be very simple and easy to use. Aimetis is a little to hard for that.
On each client machine you have to Install the client software. You can't just browse to a Web page.
But overall the three main issues are cost, ease of use, and having to install client on each machine.
So I'm looking for something a little simpler/cheaper.
Thanks