Thanks guys....your feedback has really helped because you speak from experience. Yes your guesses really matter because they are a lot more accurate. I have done extensive searches and read hours of articles, but none of that replaces conventional wisdom. Just trying to find out what kind of $$ at minimum I'm looking at, before I jump in completely.

'99 Trooper, ARBs, 4.77s, ARB bullbar, Warn M8000 w/Amsteel, OME 912s w/2.5" spacers, Rancho 9000xs, K&N/Magnaflow, 33" Kumho MT's, Aisins, boulder bars, Indy 4X brake lines, diff drop, Flexalite