IIRC, E76 is at the far end of the terminal you will be departing from. The MLL is roughly halfway between security and the gate. I find US Customs and security to be very fast there, 15 min total.
The MLL is nice, elevated above the concourse, good views. The a/c you will be on is as old as the in charge on the flight. The seats are older. The J seat pitch is equivalent to the age of a Hooters Air FA, but not her bust size. If you have status you will have a good chance of the u/g, if you don't get, you're not missing much.

Enjoy Maui, it really is one of the nicest R&R/I&I spots.