orrents are dependent on how many seeds there are ON LINE and what THEIR upload speeds are. If they are stuck behind a university firewall that throttles uploads, your download will suk. If they are on dial up, your downloads will suk .. even if you are a on cable at 23mbps. Just because a torrent is listed in a place like isoHunt does not mean that the torrent is available at all times.
Torrents are not stored on servers! Understand that it is peer to peer. So do not expect that all will be blazingly fast downloads.


Deluge
KTorrent is a KDE bittorrent client. It has many features, including the ability to preview multimedia files and minimize to the notification area. Installed by default in Kubuntu.
Homepage: http://ktorrent.org/
Download: apt://ktorrent
if your looking for utorrent for linux its ktorrent works perfect in Ubuntu
A torrent client written in C with an ncurses interface for minimal bloat.
rtorrent is a very simple, elegant and ultra-light bittorent client. It is written in C++ and uses ncurses, so it is completely text based and runs entirely in a console. rTorrent is ideal for low-end systems and with the addition of GNU Screen and openssh it is convenient as a remote bittorrent clien

tutorial: http://wiki.archlinux.org/index.php/RTorrent
Homepage: http://projects.qnetp.net/projects/show/monotorrent
Source: http://anonsvn.mono-project.com/viewvc/trunk/bitsharp/
WinForms GUI homepage: http://code.google.com/p/monotorrent/
Blog: http://monotorrent.blogspot.com/
Monsoon Project is a GTK+ BitTorrent client based on C# and MonoTorrent.
Homepage: http://www.monsoon-project.org
The Opera browser has built in support for Bit Torrent files. To install Opera, see OperaBrowser
BitTornado is a very fast Python based BitTorrent client. The standalone non-GUI package is available in the Officially supported Networking section and the GUI package is available in the Networking (Universe) section.

Homepage: http://www.bittornado.com/
TorrentFlux is a PHP based BitTorrent controller that runs on a web. Manage all of your BitTorrent downloads from anywhere through a convenient and easy-to-use web interface.
A GNOME "mime-sink" for BitTorrent files. It's not meant to be an entire front-end, just a program that pops up when you "execute" the torrent files. The last and final release of this application is 0.0.32.



Homepage: http://gnome-bt.sourceforge.net Download: apt://gnome-btdownload