
The funny thing is that I wasn't sensitive to it when I had the 5D / 1D mark II N combination! The two cameras felt different enough in my hands that the responsiveness of the 5D never came to light (my brain adjusted as I picked it up). When I bought the 50D, because they are so similar to each other, the 5D feels positively sluggish every time I pick it up! My best best guess as to why I am so aware of it now is that they are very similar in real use (all the controls, etc, are pretty much identical). And while I can accept that a four-year-old camera would feel that way, I cannot understand why the 5D2 feels almost the same!
Don't get me wrong - I love my 5D! I just don't understand why the new 5D2 is not more responsive. There is no need for it to be so sluggish! (And while we're at it, why does it only have a 1/200 sec max sync speed while the EOS xxD and EOS 1 series both have 1/250 sec?

I couldn't agree more....I love the IQ of the 5D I, but when I got a used Mark II N, I've hardly used the 5D...and it's not that old! But I'll use the 5D in the home studio, on site portraits, out and about stuff, travel etc.....but having a fast crop body with a tele and a full frame for mid range lenses to me is the greatest combo!