its would be cool if you could also move the pices wile ur wating but not affect the players.
flip board when observing
In the right corner of your screen, there is a "button-link" which called Analyze! Click it and another window will appear.
There you will see that you can flip the board, make as many moves you like and it will not affect the game (It will affect your game, you will see things better!
).
Hope that helps
And if you don't want the extra window or just want to flip, you have the "flip board" link 3 links down the "Analyze" link
It would be nice to be able to flip the board when your observing a game. It would be even nicer if you could right click on the board to flip it.