I bought a set of Bilstein's from Auto Anything. Total was 310.13 IIRC. Bilstein's seem to be the best bang for the buck.
Top Gun Customz has the best price for them, but their web site was down last time I checked.
His: 1999 Flame Red TJ, 4" lift with 1.25" body lift
With a few mods...
Hers: 1987 Grand Wagoneer, stock w/Cooper 31s