I'm interested in hearing about experiences using BI and which cameras are best for getting good Critter shots. I'm using a 4 mp bullet and a 5 mp PTZ both on POE with cam at max settings.

For me, YES . Used version 4 a couple years. Upgraded to V5 about 3 months ago. The usual learning differences but not that difficult. Biggest improvements for my use is in motion detection. Much more flexible. It pays big when you learn and understand the system. (I have 5 cams. 3 wifi, 2 wired on ...