> Using modifier keys and the trackpad to move around feels a little odd-  
> do you have any suggestions on getting an external 3-button mouse to  
> work?

I haven't tried this yet, but I have a Kensington six-button USB mouse. The
driver can set per-application responses to the buttons (mimicing key
presses, modifier keys, etc.) I imagine this will work well for movement
and gestures.

Jim
-- 
Jim Menard, jimm at io.com, http://www.io.com/~jimm/
"My parents just came back from a planet where the dominant lifeform
had no bilateral symmetry, and all I got was this stupid F-Shirt."
    -- .sig of Paul Archer