I got both pierced. I think it has to go with your personality and how you dress. You can't be wearing abercrombie and fitch with big ass fake diamonds in your ears. And no hoops please. Thats just gay.
I haven't experienced a major difference. A few comments from girls who knew me without them thought they were sexy, gave me a little edge to my look I guess. But other than chicks that actually know you, don't expect much. Girls aren't gonna just start flocking to you because you have pierced ears.