I dunno. I first encountered the term when it was the meme du jour this summer in reference to hip urban men who were comfortable enough in their sexual identity and so on and so forth - in this case, it was being bandied about as the latest target marketing subsegment.

Calling yourself a metrosexual? well, you're either claiming you're vain and self-indulgent etc. or you're declaring your identity in terms of consumer segment. Neither sounds appealing.