Yah I have two of those fans too, the ones with the lights in the hub... there not as impressive as the tri-light's but it all depends on what you want in the mod.
Here's a link to bit-tech where they show how to make the fiber-optic ones... it's a lot more complicated, thought.
http://www.bit-tech.net/article/80/
I think the first example is easier to do... hmmm been added to the list.