Well with GA bulks You can always go the LST2 Diff route... Seems to be pretty popular. Also the 3905 diffs when shimmed properly seem to hold up fairly well in my Maxx. There is always options...
Maxx - FLM, MMM, CD Med.36x706s
Raja - FLM Ext. MM, 1512, 4s
SC8ight - MMM, 1520, 6s
D8T - MMM 1717 6s