Ass it is based off  of rTorrent (libtorrent), Deluge may be a great choice in a torrent client. Deluge has a wide-array of features, including:

  • Core/UI split allowing Deluge to run as a daemon
  • Connect remotely to the Deluge daemon
  • Web UI
  • Console UI
  • GTK+ UI
  • BitTorrent Protocol Encryption
  • Mainline DHT
  • Local Peer Discovery (aka LSD)
  • FAST protocol extension
  • µTorrent Peer Exchange
  • UPnP and NAT-PMP
  • Proxy support
  • Web seed
  • Private Torrents
  • Global and per-torrent speed limits
  • Configurable bandwidth scheduler
  • Password protection
  • RSS (via Plugin)
  • Other  libtorrent features
  • And much more!