1. Cheap
2. Reliable
3. Fast
You can only choose two.
I used to see stuff like this all the time on the 3000GT/Stealth boards. "I want to run 10's, but I only have $200. Tell me what I need to do."
Thankfully most of those kiddies stayed behind when a good portion of the forum moved to a new one.
The best advice anyone here can give you is REASEARCH, RESEARCH, RESEARCH.