I'm looking for a video board for a revision a iMac. It's the board that attatches to the motherboard tray that the audio, IR, and video cables connect to on one side, and has the three sockets on the "outside" of the board tray to hook the monitor audio etc... back up to. Mine has a busted pin. 
WTB/WTF iMac video adapter board
June 3, 2005 - 9:33pm
#1
WTB/WTF iMac video adapter board
That made me giggle more than anything else all day.
Yeah, I imagine that part is near impossible to get ahold of without buying the whole locig board sled. Don't think I need it now, but it was worth a shot.