Keith B , Jun 13, 2012; 01:42 p.m.
I examined a trial copy of C1 recently, but I never got to the point of printing. Although C1 has the coolest, swankiest, most Bauhaus-clean screen presentation, it's simple functionality as a raw viewer was, for me, compromised compared to LR. When I have to push several keys or mouse clicks just to zoom the image to 1:1, I'm losing compared to LR4. From what I've seen of LR, Corel ASP, Capture One, and Aperture, LR has, again "for me", the best printing interface.
I've noticed that high-end studio photographers seem to often use C1 as the "live feed" for the clients to watch during a shoot; this may have something to do with the cool graphic look.