[blindhippo]

Ditto, although it depends entirely on my mood, environment and what I'm trying to do.

But for working in an open office that fluctuates from high activity to periods where you can hear a pin drop, I'm finding this type of thing to be incredibly focussing when trying to code. For actually planning that code (the creative part), I tend to find as quiet an environment as possible - people are disruptive to intense thought.