As you know, ACDSee is a powerfull software to manage pictures in Windows. ACDSee has a version that can runs on Mac too. Unfortunately its developed on 2005 and there’s no more update to follow Mac OSX untill now.
Adobe actually has their own version for managing pictures, Its Adobe Bridge. Adobe Bridge its Adobe’s picture manager not only related to Adobe Files (Illustrator, Photoshop, InDesign, etc.), but all kind of image files. You can Easily move, copy, rename, manage, print, and of course, view.
Simple interface with ability to drag and drop files, search metadata. Adobe Bridge is recomended running on fast computer, of course.
Adobe Bridge CS3, bundled with all Adobe Design Package.