Well welcome to the scene. I am fairly new myself. You should come check out some of the advice people have given me already.
http://www.automotiveforums.com/vbul...d.php?t=353550
As far as places to buy your mods, check out Niscos list of online suppliers, or just do what I did and find a reliable custom shop around you.
http://www.automotiveforums.com/vbul...d.php?t=271281
Good luck. Hope you enjoy it as much as I am.