Ken Rockwell sets out in a recent essay to explain why the choice of camera is less critical than learning to really 'see' and capture the shot. What you see in your head is more critical than what you hold in your hand. I'll remind myself of that next time I start lusting after some marvellous new cameras.
People know cars don't drive themselves, typewriters don't write novels by themselves and that Rembrandt's brushes didn't paint by themselves, so why do some people think cameras drive around and make pictures all by themselves? The most advanced, exotic and expensive car can't even stay in the same lane on the freeway by itself, much less drive you home. No matter how advanced your camera you still need to be responsible for getting it to the right place at the right time and pointing it in the right direction to get the photo you want. Every camera requires you to make manual adjustments now and then as well, regardless of how advanced it is. Never blame a camera for not knowing everything or making a wrong exposure or fuzzy image.