I've always thought of myself as an 80 percenter. I like to throw myself passionately into a sport or activity until I reach about an 80 percent proficiency level. To go beyond that requires an obsession and degree of specialization that doesn't appeal to me.
Related Article: A while back I wrote an article that talks about this philosophy. I wish I would of read this quote back then, it fits in perfectly to what I was attempting to say.