A sweet tool for responsive designs by Remy Sharp that helps you find the exact breakpoint widths to use in media queries. (Via @tucsonlabs.)
Tag: Responsive Web Design
Mediaqueri.es, a collection of responsive web designs
In the spirit of Ian’s post about responsive web design and the discussion ensued from it, here is a collection of examples of said practice and technique (not constrained to WordPress sites). Several good designs on display there.
ThemeShaper 