Frugal Traveler Matt Gross writes a smart mix of international and US-centric articles for the New York Times.
Great source of tips for grown up budget travelers.
For example, on a recent trip to San Francisco with his one year old daughter in tow he stayed in a “gorgeous Victorian house for which we were paying $90 a night” that he found through “AirBnB.com, a Web site that lets people rent out their futons, spare rooms and entire apartments to travelers like myself; it’s a cross between Craigslist, CouchSurfing and VRBO.com.”