Clint Kennedy

This did indeed used to work.
Just search "redstone ore door" or "redstone ore trap" on google
here are a few:
http://www.youtube.com/watch?v=Z4woGpume30
http://www.youtube.com/watch?v=DWTEB3zU8fw
http://www.youtube.com/watch?v=QqWuxcLdtEo
http://www.youtube.com/watch?v=fpLZZIdWYIQ
http://www.minecraftforum.net/topic/741886-hidden-piston-door-activated-by-clicking-redstone-ore-video/

Thanks!