Arguably the most famous line in This Is Spinal Tap is that the amp "goes to 11".
Since IMDb's recent site redesign they've paid homage to that particular piece of comedy gold. The usual star rating is on an 11 point scale instead of 10. Why not go rate it up a bit though, I think it deserves at least a 9.
And, because you know you want to, here's the clip: