hehe i got the bug a long time ago and it's hard not to go start burnin some plastic. But honestly READ READ READ about turbos/boost how they work, what they do, what the codes that define them mean, etc etc.

Homemadeturbo.com
c-speedracing.com
howstuffworks.com

all very good sites, as well as the search button around here... trust me, you'll gain a plethora of knowlege and probably decide on a higher end kit in the end