x2 on the armor.
i also have the skidrow eng/trans skid. I would also strongly suggest
a gas tank skid if you play on the rocks.

 

Evap relocation kit or skid, I've seen them ripped off on rocks and in mud.

Replace bottom sway bar bolts with hitch pins for quick disconnects, this past weekend I saw paramanic's jeep with this setup it is a nice inexpesnsive mod.

lift, sliders and bumpers are all good mods.