I'm OK with the fact that there's a magic number here, because this magic number is a big improvement over the previous one. But have you experimented with others? Should it big bigger? See, for example: 
![diplomata](http://f.cl.ly/items/0l3m2z0j10311G1N041f/Screen%20Shot%202013-05-16%20at%204.17.56%20PM.png "diplomata")
Just spitballin' here...