Local Social Groups
Midwest Gearheads - A new social group put together by some great, enthusastic people in and around the Quad City area.
Information & Learning
SCCA Forums - A great place to find tips, tricks, and general information about all things SCCA. Don't forget to search for your question before posting!
Autocross to Win - A private site by a talented autocrosser. Great place to pick up some hints and there's plenty of solo-oriented advice.
Evolution Performance Driving School - A driving school focus around autocross. Events held in many different regions!
North American Motorsports - Informational site covering many forms of motorsport.
Solo Novice Handbook - Great write-up from Tire Rack that defines the sport well.
Tire Pressure Woes - Great write-up on setting tire pressure. This whole site is actually filled with write-ups.
Autocross Basics - Article covering basic autocrossing techniques.
It doesn't hurt to simply find a good search engine like Google or Yahoo to find some great tips and help, you can even find write-ups that apply to your specific vehicle!
Racing Products & Vendors
Online Rules and Forms
SCCA General Competition Rules