LXDE & ORCA RESEARCH
The messages starting at the following links suggest the following
Klaus, of Knoppix fame, says that one should configure a windows manager to use keyboard shortcuts or hotkeys so that the mouse does not have to be used. He believes that a audible text menu is best.
As of July 2009, LXDE is not entirely Orca compliant. The problem is that parts of lxpanel can not be used without a mouse.
Set up a fresh install of Puppy 431 . Installed lxde pet. It installed okay, but presented me with a grey screen on reboot.