YazSoft today released Speed Download 1.9, an update to its popular download manager and accelerator utility. Version 1.9 brings several improvements and bug fixes, including updated Mac OS X and Classic plugins, a redesigned scheduling interface, and improved support for Mac OS X 10.2.1. A detailed list of new features can be found here. Speed Download is available for Mac OS 8.6 or higher and Mac OS X, priced at US$20.