What’s the Best iMovie Quicktime Output Config for browser-based video?

I know many of you have asked me in the past (no, not recently, probably because you’ve given up on me) to please improve the iMovie output quicktime settings so they’d be better than the “email” default compression/resizing settings.
Well now I’m working on productions for other people, and I hate to be a dork and choose something hastily for someone else’s use. Can’t bring myself do it actually. So I’m hoping that some of you can bring me up to speed quickly over the next few days so I can make some sensible decisions.
I will post what I learn here.
wow now I really gotta goto bed 🙂
thankzzzzzz