Some cool Arduino projects

This is mad cool! Although there is a 99.99% chance that I would even remotely know how to begin to create something like this.

http://www.evilmadscientist.com/2007/interactive-led-coffee-tables-update-and-kits/

Now this is more like it. Still cool with the LEDs arranged like so. Definitely up my alley, programming wise. I could think about making lots of smaller ones, stacking them up to make one big giant one. It would be cool to alternate colors and make them giant cubic rainbows. I'm just talking artistically here. No concept.

http://hacknmod.com/hack/the-4x4x4-led-cube-using-an-arduino/
http://hacknmod.com/hack/diy-massive-8x8x8-led-cube/ (A MASSIVE LED cube!!)