Question : Problem: whiteboard app for mac

What are the top 3 free-hand / whiteboard apps for mac os x?
I need to be able to scribble as well as to bring in some simple shapes such as rectangles, cirles, etc...

-Eugene

Answer : Problem: whiteboard app for mac

http://www.omnigroup.com/applications/OmniGraffle

may be worth a look for creating the shapes and or graphs (OmniGraphSketcher)

Also though I know it's kid's software

kid pix
version 3
http://www.mackiev.com/kid_p

version 4
http://www.smartkidssoftware.com/ndlec159.htm