I've been contemplating putting one on my tank (even though I have a fuge below my tank). It would be a nice way to introduce an extra food source to the tank that doesn't get chopped up and I'm always looking for something extra I can do to my tank that's relatively low cost.
You might want to check out this link. His mod is pretty slick.
http://www.reefcentral.com/forums/sh...5&pagenumber=1