Thanks for posting this, Jeeperz; good info.
One additional note for Dana 44s. "Thick" Dana 44 gears (e.g. - TJ) can be used with a 3.73 & down carrier. I'm running this setup in my CJ-10a, which has a '90 Grand Wagoneer Dana 44 front w/stock 2.73 carrier & 4.10 Rubicon gears.