I also moved from a three-vessel system, to self made eBIAB RIMS, to the Brewzilla 65L 3.1.1. By far, the one that is easiest to setup, use and clean is the Brewzilla. Been using it for about 2 batches a month for about the last 18 months. Really like my 3.1.1 Brewzilla, and the Gen 4 addresses...