If the engine and tranny is what your after the most, check and see whats needed to put them in your YJ. It will probably be cheaper than replacing everything you listed, plus, While the engine and tranny are out, you could do a rebuild to ensure they will last longer. Just a thought.
97 TJ, 4 in lift 33's, 6 cyl 5 speed. First jeep and love it
" Of all the things i've lost, i miss my mind the most" Ozzy Ozborne and Mark Twain