Ditto, and this is basically their answer to (Susy)[http://susy.oddbird.net].

Susy's pretty awesome, and Eric Meyer and the Compass community have been working on it for a good year or more. This line sums it up best, "We don't design your site or dictate your markup, we just do the math and get out of your way."

Neat's solution is almost identical in every way, just newer and less tested.