If you view source on a lot of google sites you'll see that style class names are obfuscated.
The one caveat is that you need a sophisticated build system to pull this off (though it's easier if you use the other closure tools).
However, the beauty of Compass is that it doesn't rely on being intrinsically tied to the HTML it affects, whereas Closure stylesheets do.
All things considered, I'll stick to Compass/SASS.
If you view source on a lot of google sites you'll see that style class names are obfuscated.
The one caveat is that you need a sophisticated build system to pull this off (though it's easier if you use the other closure tools).