First of all, I'm a fan of Dyson.  I bought one of their vacuum cleaners and I love it, though it may be a bit over priced.  I've also been known to stare in fascination in a men's room, as the Dyson Airblade hand dryer does its job with high velocity effectiveness, distorting the shape of my hands in the process.  Now, Sir James Dyson has done it again, with the latest in fan technology.  It's a table fan that has no blades.  The result is smooth air.  What price do you put on smooth air and no blades?  About $300.  Learn more at Dyson's web site.  You may find this review from the UK quite amusing, actually.  Here's a newspaper article that explains it from the New York Daily News, and here is Sir James Dyson himself with a complete explanation. (Be patient and the video will load)