Economist.com - Real Men Get Waxed 
An article that examines the new economic market niche metrosexuals present.
http://www.economist.com/business/displayStory.cfm?story_id=1900122Felixsalmon.com - Metrosexuality
A Fexlix Salmon article regarding the trends and philosophy surrounding the 'metrosexual' term.
http://www.felixsalmon.com/000181.php
The Word Spy - Metrosexual
A site that specializes in new and recently coined words defines and discusses this new term.
http://www.wordspy.com/words/metrosexual.asp
