Yazsoft today announced the availability of Speed Download 4, the fourth generation of the company’s download manager for Mac OS X. Building on Speed Download innovations, version 4 is a Universal application optimized to take advantage of the power of Intel-based Macs with a number of new features that deliver improvements throughout the entire application. Faster, more secure, easier to use and sporting a new look, this latest Speed Download release sets a new standard for download manager innovation. “As an added bonus, Speed Download now includes a link to Transmission; an incredibly well designed Bittorrent application. Transmission is a free, lightweight BitTorrent client featuring a simple, intuitive interface on top of an efficient, cross-platform back-end.” Speed Download is priced at US$25.