Thanks for the input guys. Good to hear that the D44 was a good deal, the D30 even has Warn manual lockouts installed too, only issue is that the PO was using them for SOA and moving up to full width D60s... so not a direct bolt in. The width is perfect for my application though and I don't have to mess around with the steering issues of a scout D44 swap.
Regarding the air supply, I was thinking of just getting one supplied by ARB... I haven't decided on the size yet though. Of course I could always convert the AC over to OBA... there's a whole 'nother can of worms though.
Regarding the D30, Superior has a locker & chrome-moly axle kit for ~$1050... The shop is already going to be in there changing the gear ratio (~$400 in labor) so the locker and new axle shafts won't cost much more, whereas if I do it later, after something breaks I'll be out the money to pull the front end apart again.
This rig will be used for mild-medium trails for the next year, but I fully intend to be back near some mountains again in 2 years... that means ROCKS!