http://8753041080499295858-a-1802744773732722657-s-sites.googlegroups.com/site/keithchan/Home/Google_Calendar_1213967096489.png

Instead of checking the boxes to show/hide calendars, now you simply need to click on the name of the calendar. You can also collapse the list of calendars.

This is the first update in a long time isn't it?

Are there any other changes?