I am planning on selling my D40 and buying another used DSLR... a larger and more advanced one. Its kind of a tossup between a Canon 40D or a Nikon D80 because I can get them for about the same price. I was wondering what were some of the differences between the two... and which one you would buy in my situation. Does one have more desirable features than the other that make it worthwhile? Better reliability record? What about the lenses that come with them? I don't care about canon vs nikon bias... but I am used to using nikon so any special advantages to the canon would have to be worth the learning curve that might be involved.