Here's my new rail i built in like late July. Already hit it and it is freakin sweet. About 12'long 4" wide.
The black tape is electrical tape that i used to mark off the rough spots before i sanded them down. The ramp i built for it is under it too.
http://img165.imageshack.us/img165/8518/imgp0369vy1.jpg
http://img411.imageshack.us/img411/922/imgp0370nx4.jpg