Flight Tracking
http://www.flightaware.com 

General Airport information: AirNav:
http://www.airnav.com

Fuel Prices
http://www.100LL.com

Local Pilot Shop: Hangar 63
http://banyanair.com/hangar63.asp

Aviation News
http://121five.com
http://avweb.com
http://aero-news.net
http://aopa.org

FAA: Aeronautical Information Manual
http://www.faa.gov/air_traffic/publications/atpubs/aim/