Torrents and such...

[Big Ogre Umaro]

I use ABC.

The only contenders in this game are, of course, ABC and Azureus. They're the only standalone BT clients that utilize a queue system. Azureus is awesome because you can use it to download specific files from the torrent, but it's nowhere near as lightweight as ABC. The new beta of Az even lets you set upload limits for individual torrents, a feature previously exclusive to ABC. BUT, the bottom line is it uses ing Java and it slows the crap out of my machine. Your mileage may vary, of course.

As for trackers...eh, well y'know.

[edczxcvbnm]

Box Torrents has not been the same since ADV screwed them up. They are getting back to normal but now if I want a series ADV has then I get to go hunting and I get DVD rips just because they are dicks about fansubs.

[Peegee]

ABC and Azureus and G3 are good clients, but I like good ol' bittornado myself. Of course this is because I actually PROVIDE torrents and ABC hasn't updated itself with a super-seed option as far as I know :D