Puttings GUI's between objects

There have been a number of questions like this each one with its own little quirks. let's see how clever we can be. I have a game, where you control a block on a plane, and there are AI controlled enemies that are trying to crash into you, with a camera looking down at it all. I want to print the score right on the plane. So that would require some sort of GUI that is printed above/on the plane but below all of the boxes. I have found (http://www.41post.com/3255/programming/unity3d-creating-a-gui-with-both-3d-and-2d-elements). But I would have to create 3 cameras, one for the plane, one for the GUI and one for everything else. I have a hard time believing that there is no better option. For an added bonus for those truly brave, each enemy has a countdown timer, I'd like to print that over it, I have found, http://www.unifycommunity.com/wiki/index.php?title=ObjectLabel and I used it with SmoothFollow. The problem is, when I group the GUItext with the box to make it easier when I have to insatiate a new one, it quite literally flips out.

Any bright ideas?