for 37s, you're going to want deeper than 4.88s. 4.88s is perfect with my 33s, so I'm kinda sad I'm putting the 35s on in 2 weeks. you'll also need stronger axles for 37s, which is conveinent, since the D30 only goes to 4.88s.
soo.... get D44s or a D44 front and D60 rear, and put 5.38s in them.
for lift; I say get 6 to 7 inches, but forget kits for the front since you're gonna need to swap axles anyway, do something custom.
I hope you realize that you only have 3 choices to be able to run 37s:
1) REALLY expensive, and time consuming
2) REALLY time consuming, and expensive
3) Very time consuming and very expensive
well, I guess there is a 4th choice: cheap, easy, but break a lot of stuff and have it suck on-road and off-road.