Tony Northrup Video Review of Canon 70D vs 7D vs 5D Mark III
Tony gets into great detail about a variety of features on these cameras, giving you a great comparison.
Topics include buffer and memory card, auto focus, image quality.
Not only does Tony go into great detail about how you can get greater detail in your shots he provides pictures so you can actually see the different results for yourself. Without having to have all of that gear.
Watch the video and then decide which is the right camera for you