The pluginsite has recently release the MacOS X version of FocalBlade. FocalBlade is a Photoshop-compatible plugin for sharpening photos for screen display and printing and for producing great looking blur, soft focus and glow effects on 8bit and 16bit images.
FocalBlade is available for Windows and MacOS X. FocalBlade sells at $49.95 (Download) or $59.95 (CD Version including postage). There is an Academic/Student/Educational License for $29.95. It can be purchased at http://www.thepluginsite.com/products/photowiz/. A demo version can be downloaded at the same URL.