Yazsoft today announced the availability of Speed Download 4.1.4, an important update to the the fourth generation of Yazsoft’s award-winning download manager for Mac OS X. Version 4.1.5 adds: SPARKLE Framework integration; re-arranged contextual menu items for quicker access; files downloaded from audible.com are now automatically added to iTunes; and more. Speed Download requires Mac OS X 10.4.6 or later and is priced at US$25.