Check this out from another Home Talker. http://www.hometalk.com/529173/revamp-that-large-bathroom-mirror If you do a search in the bubble at the top of the page you will find all sorts of ideas. Simply type bathroom mirror.
@Michelle Kennedy - @Woodbridge Environmental Tiptophouse.com beat me to it. I too was going to point you to @Robert A's project. I look fairly simple and looks amazing. But you can also do a search on bathroom mirrors here on the site for other ideas, there are a lot of incredibly creative people on the site that share their ideas.