See, it all depends on what sort of girls you're trying to attract. If you want gorgeous bouncy girls, go out and learn some Dave Matthews. It makes you look deep. If you want intelligent women, play what you like, play it well, above all play it like you enjoy it, and they will come.
I find the dreamy-eyed look rather pretentious and annoying, m'self. I've known too many dreamy-eyed arrogant SOB guitarists.