I for one like the new look especially the change of the power switch. I hate where it is located on the 50D, drives me nuts. I find the Canon way of arranging buttons very frustrating since I moved over from Nikon and have thought hard about going back. This though looks like it might have merit and worth staying.
Dont get me wrong I love the 50D in many ways and tossing up buying a second one. It's a fantastic camera, but yeah I am glad to see the change in button placements. Took me like 5 min to learn all the functions on my old Nikon system after a year with Canon thee are still things I have to search for.
The body seems smaller something I am not sure if I am fond of. I for one like a hefty body, they always feel more rugged to me, I am exited though to see the tilt screen this can come in real handy I think. I cant wait to see the full specs so I can decide on buying another 50D or a 60D.