Brett, I randomly stumbled upon this one some minutes ago:
https://wiki.ubuntu.com/MaverickMeerkat/TechnicalOverview
Knows issues -> Common desktop issues
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Resizing windows by grabbing window borders is difficult [please no more
comments; patches welcome]
https://bugs.launchpad.net/bugs/16031
Even on a normal desktop system I always manage it to grab the wrong
window. 1px is ... well, only 1 Pixel for grabbing. One slight movement
and you'll click into empty space or grab the wrong window (or even
accidently click a button of another window in background). I usually
use ALT-click to res