I'm starting this blog off with a link to minor feature of Internet Explorer (and others) that adds an icon to your website's entry in the 'Favorites' menu.
http://www.wpdfd.com/editorial/wpd0304review.htm#footnote
At the end of the day, quality is about all the little things that improve the user experience. If this helps the user scan the favorites list even one second quicker, its worth it.