Nucleon -
Here's some links to either stores I purchased my parts from, or sites I found useful during the construction of the Nucleon.

Robot Marketplace.
Good selection of mechanical and RC components.
SuperDroid Robots
Wheels, motors and other assorted supplies.
All Battery
Best selection of battery packs and chargers.
Team Integy
Off-road RC parts, wheels, tires, and high-quality custom parts.
WiFi Forum
Good resource for questions and answers about WiFi networks.
MP3 Car
Best source for DC/DC power supplies and other computer power and storage parts.
Velleman Components
Manufacturer of the K8055 USB Interface.
Wholesale Electronics
Good wholesale electronic components store.

Entire site, including photographs, copyright © 2008 Daniel J. LeVin. Nucleon and the atom logo are trademarks of Daniel J. LeVin.