Hi Canon Fans, Background: Was gifted a 20D with 17-85mm lens. Added a 100-300mm (non-IS) lens, a couple STK batteries, remote shutter release and 8GB CF card. Have always enjoyed dabbling in photography a bit. Now seeing if maybe it'll turn into a "serious" hobby. I know I really need to play with this more, a lot more, before going out and spending more coin. I'm just kind of doing some research on where I might like to go. So: x0D bodies. If I wanted the "biggest bump" in performance and usability over my 20D, or "biggest bang for my buck," what should I be looking at? I had initially thought the 50D, but DP Review's assessment indicated the 40D actually took better photos in some cases. The 60D improved on the 50D, but lost some "prosumer" aspects of the prior x0D line. The 70D brought some of that back, but now we're talking Much More Serious Money. So my guess is that if I wanted max bang for the buck, the biggest "bump" in performance and usability over my 20D, it would be a lightly-used 40D. Agree or disagree?