St. Clair Software today announced the availability of Default Folder X 4.0, a significant upgrade to its utility for enhancing Open and Save dialogs. Version 4.0 adds a new, modern interface and brings enhancements to Open and Save dialogs, leveraging Leopard’s QuickLook technology to provide zoomable previews in Open dialogs and refining its ability to add Spotlight comments in Save dialogs. While the previous version of Default Folder X worked with Leopard, version 4 has been revamped to improve the user experience and truly integrate with it, including supporting 64-bit applications such as Xcode. This release also brings many small changes and fixes across the board. These include better support for Japanese, and solutions to compatibility issues with Microsoft Office, Mail, Graphic Converter, Amadeus Pro, YummyFTP and others. [ Price: US$34.95 ~ Requires: Mac OS X 10.4 or later ~ Leopard support ~ Demo available ]