Ascully has posted a review on the Antec LED Fans
You see it all, from the copper wires to the ball barings. The LED lights are placed in 3 corners of the fan while the wiring occupies the fourth corner. The green strip you see around the edge of the fan is the actual electronics needed to light the fan. There are other manufacturers doing this type of fan but none have the elegance of this setup. Compare this Antec version with the cheap alternatives and you will see a lot of work went into this design.Read more