Caon EOS 60Da
I've used my 60D with my C5 scope and find that using Live View on the articulated screen makes focusing very, very easy, as opposed to nearly impossible with my old 350D. That alone ought to make the 60Da superior to the 20Da. There's also increased resolution and reduced noise.
|Fangorn Forest by cand1d|
|Yosemite Falls with Moonbow by Jonathan Shapiro|
from Best Landscape of the Week 4