Download Managers: Which download manager to use?

Download Managers are the ones which are used to download stuff (software, songs, movies) from Internet faster. There are many download managers available out there, most of which brag how fast they download stuff from the Internet (Of course, your Internet connection speed matters a lot here). Some of them are free ones and some of them are paid software. But which are the best download managers among them? Which download manager provides you with more features when you are downloading stuff from file hosting and sharing websites like rapidshare.com, Megashare.com, Filefactory.com, Sendspace.com etc.    ……coming soon