The most useful camera you have is the one you have on you. Unfortunately, as is often the case, my favorite camera just happens to be a somewhat large Digital Single Reflex Lens (DSLR), my Olympus E-Volt 510. It takes great pictures but at the expense of lugging around all my gear in a backpack. Therefore, when space is a factor, I’m forced to rely on my small pocket sized “point and shoot”(P&S) and I always come out a bit disappointed. Despite having a high mega pixel count