The new NeoOffice 2.1 for OSX is a big improvement in optimization. Previously I was seeing a lot of redrawing in the toolbars, especially when the window is resized. Now the toolbar comes back all at once. I upgraded my parents’ 450MHz Dual G4 and noticed a considerable improvement. I’m looking forward to seeing the difference on my fiance’s PowerBook G4 400MHz.
It’s still in the ‘Early Access’ stage, so you will have to give them some money to get it, but it’s a great tool and definitely worth supporting. Here’s the site: