There was an interesting article in the Styles section of today's Times. It was all about how people find inspiration and work better when they're not at their desk. Some companies (beyond Google) have taken the traditional desk/cubical away and replaced it with work areas, lounges, conference rooms, and/or rotating desks.
I don't know about the rotating desk idea (never sitting at the same desk 2 days in a row), but I find that I do tend to get inspired away from my "office". Starbucks is my home away from home (only before school lets out though--then it's only good for making me feel old). The change of scenery is nice, but I think I get more done due to the fact that I won't pony up for internet access, therefore forcing me to complete the task at hand.
The Times refers to the place where work actually gets done as "White Space." I refer to my white space as writing off my $10 coffee :)