Arduino Links
Useful Links
IDE: http://www.processing.org
Arduino 101: http://www.ladyada.net/learn/arduino/index.html
Hardware
The Hardware: http://www.arduino.cc
Starter Kit: http://www.adafruit.com/index.php?main_page=product_info&cPath=17&products_id=68
Books
Processing IDE Book: http://www.amazon.com/Processing-Programming-Handbook-Designers-Artists/dp/0262182629/ref=sr_1_1?ie=UTF8&s=books&qid=1242190367&sr=8-1
MAKE book: http://www.amazon.com/Making-Things-Talk-Practical-Connecting/dp/0596510519/ref=sr_1_1?ie=UTF8&s=books&qid=1242190432&sr=8-1
Getting started book ($10): http://www.amazon.com/Getting-Started-Arduino-Make-Projects/dp/0596155514/ref=sr_1_2?ie=UTF8&s=books&qid=1242190432&sr=8-2