CGSociety has a great 2 page article discussing Splash Damage's latest effort, Brink. They talk a lot about their art and design choices they made when working on the game as told through concept art samples. Lots of pretty pictures and some great thoughts to absorb.
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"There's also got extensive character customisation in the game"
http://jeremiahbigley.blogspot.com/2010/03/i-made-normal-map.html