Like this?
http://stewdio.org
http://stewdio.org/jed
http://www.tripleships.com/
Isn't there some way to do this in CSS3? (even though most of those are JS based)
http://www.alistapart.com/articl…
^ Oh yeah, media queries
http://www.alistapart.com/d/resp…
http://www.hort.org.uk/
That one's good
http://www.zaum.co.uk/