Hey guys...Thanks for all of your great imput. It was very nice getting a completely different point of view on the topic.
I do have a couple of questions, especially for those who use Al Servo, for sports.
When you're tracking someone or something during Al Servo, the camera is constantly focusing. How do you re-compose your shot while keeping the center focus on the subject and not jumping to an object in front or behind them? I would assume that with the new 5D3, with the crosshairs being more sensitive, using all cross types or even varients of combinations, it would be easier to accidently jump forward or backwards depending on the contrasted objects...or am I to assume that everything shot is taken in a horizontal orientation and cropped vertically, when needed. ( I can't wait to get my paws on a 5D3 to test it out or 1Dx)
Please don't be too outspoken when answering, this is the reason I actually find Al Servo mode annoying and not terribly helpful. For sports, I use my 40D, which has always been much quicker at focusing than my 5D MK2. And matched with my 70-200 II, it's lightning fast as you guys know. And to be honest, I have never "NOT" fulfilled my clients needs. And I do this with utilizing the AF button the back of the camera along with quickburst and oneshot mode - usually tossing the majority of the quickburst as almost always, the first image is usually sharpest.
Not to take this thread off onto a tangent, I agree...that the 5D MK2 is a turtle, in it's focusing, compared to even my 40D, the 50D I used at a studio I used to work for.
Thanks for everyone's imput! Seriously...I appreciate it.