Anyone know of a good Mac application for browsing through large numbers of large image files? I'm talking something that will rip through 100's of huge RAW image files (10+ MB) and generate previews on-the-fly. OS X's native preview isn't fast enough, nor does it generate preview images/thumbnails that are large enough to actually make decisions based on image quality.

Basically, this would be an application for reviewing photos for print publication -- no retouching or even cropping. The most one would do is rotate 90 degrees.