What is the best suspension upgrade for a 97 se sport?

97 se sport
K&N drop in filter
Sony Explod head unit
Mille Miglia MM11-2 16x7
http://v6contourv6.tripod.com/pictures.html
Looking To Get
SVT side skirts
indiglo gauges

"How I wish, how I wish you were here. We're just two lost souls Swimming in a fish bowl." Pink Floyd