Sony's A99 marks the first time in years that the company has built a full-frame pro rig to compete with the big boys from Canon and Nikon. The hardware impressed when we got our hands on one a month ago, but the proof, as they say, is in the pudding -- or in the photos in this case. So, we jumped at the chance to spend some time shooting with an A99 equipped with a 24 -70mm f/2.8 Carl Zeiss Vario Sonnar T Zoom Lens. Want to know how Sony's latest and greatest p