Never heard of Dropspring. Id go with whats tried and proven. If your looking for moderately priced and good performance, i would go with a set of BAT springs.
Jim Hahn
1996 T-Red Contour SE Reborn 4/6/04
3.0L swap and Arizona Dyno Chip Turbo Kit
364 whp, 410 wtq @ 4,700 rpm