Seen that Cmg posted one, thought I would show mine.
http://www.youtube.com/watch?v=U2y2uRvL6YE

Also made a tutorial on how to make this.
http://www.youtube.com/watch?v=hORBEByrmgY

Looks like you also saw this guys video

http://www.youtube.com/watch?v=1bVYdqvKF7M

thats quite good actually.. can you do a tutorial on how to make it? theres a bukkit mod for elevator but its obismal.