Fantastic video comparing the new iPhone 4S with the powerhouse Canon 5D MK II. The iPhone keeps up remarkably well, especially to the untrained eye. The big, and only sore-thumb-level, difference was the in the street scene with the electronic billboard had a refresh-rate issue.
For budding moviemakers who want to shoot cinema-quality 1080p video, the Canon 5D Mark II digital SLR camera is a favorite. It's a lot less expensive