OSX Scene Display Problems

I am running 3.1 on Snow Leopard on a MBP. The scene view seems at times to not display the grid view and at other times will not display the geometry in the scene? Any help would be appreciated.

Doohhh... Solved.

http://forum.unity3d.com/threads/61755-Can-t-view-scene-grid-in-Unity-3.0