Biggest purchase you'll ever make is true... make sure its a smart choice. This site tries to enable a community to keep up to date on recent housing news about the bubble...
Yale economist Robert J. Shiller created an index of American housing prices going back to 1890. Puts the recent runup on prices into some excellent context.
Website of fascinating housing designer Jay Shafer who has designed and built several variants of a 100 square foot home (yeah you read that right, 100 sq. feet!).