Aperture 1.5.3 update is released by Apple

A free update of a popular Apple based image editor Apertureis available for download. Aperture 1.5.3 is compatible with all Mac computer line including both desctop and portable computers. The support of raw files form major camera mekers is another feature now accessible for Aperture users.

The new version has some improvements, naturally. The Library management has become more flexible: you can either keep all your images in one place - a managed Aperture Library, or have them in various locations and ler Aperture keep track of them.
The raw images Metadata are exported automatically now for the access of other programs.
There appeared some new color controls, that help adjusting color in separate channels.
There's a three step Edge Sharpen tool based on luminance.
The users can save their own metadata and adjustment presets for later instant application ot single images or batches.
And the Aperture Loop has even more capacity with onsctreen controls.
More information on Apple's Aperture site.