Startup Lytro has developed a plenoptic, or light field, camera. Users don't have to worry about focusing the camera. You can choose which parts of a photo are in focus after the picture is taken. That's thanks to microlenses over the sensor.
http://www.tvkim.com/watch/1074/kims-picks-amazing-new-camera-technology
http://www.pcworld.com/article/230867/camera_startup_lytro_promises_to_revolutionize_photography.html
You can order one now:
http://www.lytro.com/
looks great!