2000 Vette, need mod advice
usually first mods consist of cai, long tubes, mid pipes, catback, short throw shifter if an m6, and lowering bolts.
for cai i would check out vararam or haltech.
headers, kooks 1 3/4 with o/r x.
cat back, personally i like the way the borla xr-1 sounds on c5 vettes.
if it's and m6 you should probably consider a good clutch, if an a4 a stall would be in order. if you plan on a cam probably a big stall. 3600-4000.
In a nutshell, you would recommend more bolt on mods than jumping right into a supercharger. The supercharger route, obviously more expensive, seems to accomplish all goals without screwing around too much...
M6 = manual 6 speed
A4= Auto 4 speed
I'd say get a T-Rex cam, intake, full exhaust and tune. There goes $2000-$2500 and will put you at 425+ whp. Spend the rest on some wheels and tires or rear end/tranny mods.

