Hey im thinking of buying my first Arduino.

Forum 2005-2010 (read only) General Frequently-Asked Questions
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Awesome! Go pick up an Uno somewhere, like gravitech.us, and start doing some searches & reading. Here's one to start, found by searching for wiimote:

http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1237099433