Hi Soundguy1600,
Depending on which Aviom hardware generation they’re on, another option would be to use the Aviom AN-16i with 16 analog outs (direct outs, groups, whatever you like) from the stage rack. Note: this inserts a D/A and A/D step unnecessarily.
This is what we did with our old digital console until we migrated completely to ME-1s, since we had the AN-16i already. We had migrated to ME-1s completely (using the AN-16i as the input to the ME-U) before upgrading to the dLive. You’re coming at if from the other approach, but it should still work.
Either way you’re buying hardware for an interim use. The question will be what gets you the most long-term utility at the most appropriate price. A Dante card is a great thing to have.
-michael