Capture One Pro 6.3.2 (Mac OSX)

The raw converter for ultimate image quality. Capture One Pro 6 is a professional RAW converter and image editing software. It contains all the essential tools and high-end performance in one package to enable you to capture, organize, edit, share and print images in a fast, flexible and efficient workflow. Capture One Pro 6’s powerful and intuitive toolset is used by professional photographers to achieve world-class image quality with excellent color and detail.
System Requirements:

Intel
Mac OS X 10.7.1, 10.6.8, 10.5.8 or later
RAM minimum: 4GBofRAM

More info: http://www.phaseone.com/en/Software/Capture-One-Pro-6/About/Pro-Overview.aspx