ARBs aren't cheap, that's for damn sure.
I'd recommend shaving the 14 Bolt. You can either do the Ballistic Fab insane shave (where you have to machine the ring gear) or you can pick up a 13 bolt diff cover from Barnes 4WD and just cut off the bottom 1" or so. The latter is the route I'm going:
http://www.barnes4wd.com/GM-14-Bolt-High-Clearance-Shave-Cover_p_169.html
I'd recommend shaving the 14 Bolt. You can either do the Ballistic Fab insane shave (where you have to machine the ring gear) or you can pick up a 13 bolt diff cover from Barnes 4WD and just cut off the bottom 1" or so. The latter is the route I'm going:
http://www.barnes4wd.com/GM-14-Bolt-High-Clearance-Shave-Cover_p_169.html