It seems like there are a lot of settings that can be updated, but what about just picking good defaults and cleaning up the unnecessary ones all together? For example, why would I want to turn Enable iCal formatted feed for my Calendar. off? Does Enable my RSS feeds for upcoming assignments and tests. do? pull in other RSS feeds, or make my rss feeds available? If it makes mine available, why would I ever want to turn it off? If I have a profile picture, who gets to see it and where is it displayed?
Editing course grades (clicking on the numbers) didn't seem very intuitive to me. It took a little clicking around to realize that I could even update them. Same thing with the Mark as complete button on assignments, it looks like the button is disabled.
Hope that helps, I only took a quick look at the demo so don't take me too seriously.