http://www.smashingmagazine.com/2011/08/07/a-dozen-cross-browser-testing-tools
https://chrome.google.com/extensions/detail/cpngackimfmofbokmjmljamhdncknpmg
Capture visible content of a tab, a region of a web page, or the whole page as a PNG image. Support horizontal and vertical scroll when capturing whole page, with an all new autosave capability.
http://net.tutsplus.com/tutorials/html-css-techniques/9-most-common-ie-bugs-and-how-to-fix-them
http://spoon.net/browsers