I just found this new LED tutorial online. Very useful info for a Hardware Noob like me.
[url]http://www.ladyada.net/learn/arduino/LEDs.html[/url]
I know this is old hat for most of you, but hopefully it will be helpful to some.
-Eric
Ladyada is a great site. I have several kits from Adafruit, including Ice Tube Clock and Monochron.