Many tech (and probably non-tech) folks have been testing Google Chrome. While my experience has been favorable, minus a couple vendor based black box apps, I am most impressed with the "hidden" about pages. Check out the following post http://lifehacker.com/5045164/google-chromes-full-list-of-special-about-pages. Some great stuff here! I like the fact that about:memory shows the utilization of other browsers.
In addition to the cool "about:" pages, here is a link to the Google Chrome list of shortcuts: http://www.google.com/support/chrome/bin/answer.py?answer=95743