I love my 5D, no doubt. I also crave a new lens which I could shell out "new" money for but I'd rather redistribute camera assets that I already own, if possible. I thought I might sell my 5D for a 40D + the new lens. Anyone have any opinions? I know that I lose the wide end of things (my 24-70mm becomes 38-112mm FOV) but I'm not too bothered by that. I've heard that the image quality is almost identical between the two so I'm not sure what to do. Thoughts?