A couple of comments here have liquid card based layouts (http://spacecollective.org/projects/The-Total-Library http://spacecollective.org/projects/The-Total-Li

A couple of comments here have liquid card based layouts (http://spacecollective.org/projects/The-Total-Library http://spacecollective.org/projects/The-Total-Library, http://alpha.patterntap.com/collections/Tabs http://alpha.patterntap.com/collections/Tabs). To add to the list of this type of design check out http://pinterest.com/ http://pinterest.com/. That site does a great job in showing and discovering collections.