In the natural evolution of camera systems, Ricoh (that famed cultist camera maker) has unveiled their latest system involving a camera body and an interchangeable lens & sensor system. Though the lenses and sensors are coupled into a single package, methinks it won’t be long before someone figures out how to decouple that… upgrading your camera might mean just replacing the sensor sometime in the near future :) More details at: http://www.dpreview.com/news/0911/09111001ricohgxr.asp