My ideal perfect camera weighs nothing and takes up no space when I have to carry it - and morphs into just the right size with perfect ergonomics and weight distribution whenever I shoot with it. At that time, it will have adequate DR and tonality for what I am making images of, as well giving me the perfect DOF and resolution for the intended use - all without noise of course. It will steady itself when I am using slow shutter speeds and grow a tripod if needed. It will continuously adapt and morph into just the right tool for the job at hand. It will have whatever fps I currently need, its battery will never be low, it will never have a spot on the sensor, will AF perfectly and track whatever needs tracking without fail. It's metering is always spot on with a certain aspect of clairvoyance included - it will meter perfectly even in situations where I am not sure what type of image I actually want to create. To that effect, it will also provide every possible compositional aid and guidance.