DeHood for iPhone takes on Foursquare, Yelp! and others with massive updates in version 2.0.

ArrayDeHood, an iPhone app which recently moved in to the location sharing services market, is now upgrading, in a big way.  Using DeHood one can check in and interact in real-time with others in your area making it a slick combination of  Foursquare, Gowalla, Yelp!, and now, MyTown, with added gaming elements, virtual currency, and more. [...]