I did just notice the power consumption difference: ARB 0.8Ah vs. Dometic's 1.43 Ah - both ratings are basically with an internal setpoint of 40deg. F with the unit sitting in 90deg. F ambient - so comparable numbers.
For me, this starts tipping me back towards ARB.
Ping pong...
@geanes - I'm looking at these same two options - ARB Zero 73QT and Dometic CFX3 75DZ. Definitely want the side opening. I like Dometic's double doors, which I am leaning towards because I expect we will be getting into the freezer section a lot less. The ARB only offers the double doors on...