Chris, after a month or two of cajoling, won out; I ditched the shitty Apple mouse for the Naga. Shitty cell phone pic:
I'm still getting used to the thumb buttons, but it's getting easier. My wizard is still a two hand character because often while fighting I'm holding shift to stay in place, but I'm getting closer to the point where I'll be able to run around and type at the same time.
Next up - a mouse pad that isn't falling apart.
This reminds me... I should really buy a mouse pad.