I have not gotten the Arduino or LED Chain in the mail yet, but I have begun programming the code. There are two sides to the code, the Arduino side, and the Computer side.
For the Arduino side I have setup some simple methods that wait for serial messages being sent. It then parses them, and turns on the light chain accordingly. So far I have only written a message that turns the entire chain one color. Later I will make it so I can address each one individually. Luckily this was pretty easy, as a Library for the LED chain was supplied.
On the computer side I am using AutoHotkey, so I can easily setup hotkeys to turn on/off the LED strip. I also plan to be able to control the colors and such with hotkeys in the future. I found a good Serial Library for AutoHotkey that uses Windows DLL calls for Serial communication.
I now have successfully written code on both sides, and have Serial communication. I cannot test to see if the LED chain color is being changed though, as I still do not have it. Soon!