Some thing I _really_ miss in Squeak is the nice way one can access sub
menus in mac os.
When you only move the mouse cursor up and down you select the the menu
item, but
when a sub menu pops up mac os notices side movement of the mouse and
keeps the sub menu
up ( for about a second) even if you move diagonally towards the sub
menu item
you want allowing moves like this

 \
  \
   \
    \

instead of moves like this

____
       |
       |
       |
       |

Is this hard to implement, I looked around a little but could not find
an appropriate point to start
changing...

Karl