Thanks, guys. Yeah, I'm looking around now for some docs on removing the key caps so I can look underneath and just put some tape to block the light. I would think it's something basically like prying up the key cap and just popping it off, but I need to find exactly instructions. Anyone know? I don't see anything about it at Apple's site.

Btw, the problem with the light is that that key is now Control, not Caps Lock. Even though the key itself works as Control, the light will still go on and off every time you hit it. I don't want that.