Ars takes us through a tour of the development houses of several indie game devs. Pretty good article! Goes to show that some of the kick ass titles need not be necessarily developed in state-of-the-art multi-storeyed posh buildings with all the luxuries. 
Bedrooms, boardrooms, and chicken farms: where the world's best indie games get made
Bedrooms, boardrooms, and chicken farms: where the world's best indie games get made