This stylesheet was inspired by the Twitter bootstrap framework to become a reusable, extensive and good-looking stylesheet that will save a designer the burden of rewriting stylesheets from scratch every time a new project appears.
See the demonstration here: http://dl.dropboxusercontent.com/u/19410754/baseline/index.html
Now with the added goodness of flavors: pre-made color schemed stylesheets that allow you to break free from the neutral greyscale.