1. Where to buy Parts:
http://arduino.cc/playground/Main/Resources
http://www.sparkfun.com/
http://www.robotshop.com/
http://allelectronics.com/
http://www.parallax.com/
http://adafruit.com/
http://www.omega.com/toc_asp/sectionSC.asp?book=Heaters&section=m
http://www.musclewires.com/
http://www.arduino.cc/playground/Main/SimilarBoards
http://www.instructables.com/index

2. Interesting links:

http://www.k2.t.u-tokyo.ac.jp/members/alvaro/Khronos/

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