The following is a list of the equipment I make use of when chasing storms, and much of it I use when just out on the roads in general.  I still wish I had a laptop with a mobile/cell internet connection to get updated radar images though... !

Equipment List :
- cell phone (LG Shine with 3G)
- Garmin C330 GPS unit
- 300 Watt PortAWattz power inverter with 2 110V AC power outlets with cooling fan
- Laptop (although I never bring it along as I never use mobile internet)
 - Kestrel 3000 digital anemometer: wind speeds, temperature, dew points, % humidity, heat index, etc...
 - Camcorders:
     JVC Everio HDD camcorder
     Sony CCD-TRV46 camcorder w/extra battery, lots of hi-8 tape
 - Cameras:
     Canon EOS 300D (aka. Rebel Digital) digital SLR  (18-55mm lens, 75-300mm lens)
     Canon Powershot G2
- cig. lighter splitter (splits the 1 12V DC socket into 2 120V AC sockets)
- aluminum tripod
- Manfrotto monopod
- Uniden Bearcat 235XLT scanner with magnetic whip antenna, plugged into power inverter
- pocket voice recorder
- digital temp. reader
- safety supplies (med.kit, blanket, car winch, flashlight, booster cables, work gloves, etc.. all stuffed into a box in trunk)
- water water water!  (I guzzle when I'm on the road for long periods)