Suspension advice
not sure how much you want to spend.
for something simple i would probably go:
espo 6 leaf XHD springs
.920-1" torsion bars. both ride very nicely. firm but not harsh at all
front and rear sway bars (pick your brand)
use a better shock. there are a few brands out there that you can go with.
rebuild the front end with quality parts. maybe even go with the moog offset upper arm bushings.
and a quality alignment..
as far as drop spindles go thats all personal preference i guess.