wwwstak4x4.com
Monster box. Its a 3 stick, 3 speed, gear driven case. Its as short as an atlas.
Only downside is its weight at 140lbs, but I think the positives outweigh the negatives.
High is 1:1, low 1 is 3:1, and low 2 is 5.44:1. You can isolate the front or rear wheels in any t-case position.
2800$ US
HTH