I was going to buy OverText but I didn't know what to say with it!
The Terrain and Player Aid charts. ...I suppose if I had a bigger table, they would always be in view but I own a small house.
Glenn, I recommend a clear plastic 8.5"x11" document stand for the Terrain Chart/Player Aid charts. You can find them at most office supply stores and they fit nicely in the box, too.
We use them at home with the Terrain Chart on one side the Player Aid chart on the other. We just stand it up at the end of the board and both players can see it easily. For Time Advance and other references, just flip it around and there you go!