Thank you for all the suggestions so far. I believe I am now leaning towards the 5DIII for the type of shooting that I do.
neuroanatomist - Glad to hear actual facts regarding the AF, rather than generic statements I've read elsewhere like "AF sucks". I do have a S95 that I take on vacations. Great tip about the kit lens, which I wasn't considering before.
briansquibb - I don't think I would ever carry around two bodies and feel like there would be situations where I wish I had the 7D instead of 5DII or vice versa. So, another vote for 1 body.
vbi/tuankid - I realize I am losing reach so I'm now considering the kit lens to possibly go with the 5DIII. I'm reading the mkIII is up to one stop better than the mkII in terms of low light performance but how many more stops is it over the 7D? Will there be a noticeable difference between shooting mkIII@F4 and
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I think the one thing holding me back now about dumping the 7D is the F1 coming to NY in 2013. But by then maybe I'll be in the market for the 7D mark II...