Have used Tixati for several months now and like it, better then uAdwareCrap. On Mac OSX, Transmission is best.
uTorrent but the latest version from the 2.2.x branch: oldapps.com/utorrent.php?old_utorrent=38 Because No Ads and no spyware Inside.
I use FlashFXP to transfer from a seedbox overseas. I don't use any torrent program on my laptop. for HTTP, I just use Firefox
If you use Private tracker BItComet, Bitorrent is Banned there utorrent v2.2.1 is better low memory. Version 3.x.x contains blotware
You can always use bittorrent, but when it comes to torrents, i wouldn't touch closed source software with 10 inch pole