.39 brutal
Probably because of that avatar. Yuck.
1.71 Guess I'm just average.
I'm not sure Post Quality Index is the best name for it though. Heck, if you just post stuff everybody agrees with you'll get rep.
Most of my posts are quality posts rather than one-word or smiley posts, but not everybody agrees with me.
Like this post, for instance. I didn't just post a number