I switched from Azureus to uTorrent and never looked back.
As for Louis Theroux, Louis and the Nazis is without a doubt his finest work. I've seriously watched it maybe ten times, if you can't find to download it's on youtube but it's pretty blurry and out of synch.
There's some of his other work to stream here -
http://www.tv-links.co.uk/show.do/1/1376some of it is pretty Anglo-centric, especially the celebrity stuff.
In a weird way I think he's similar to Sacha Baron Cohen in the way he makes people bare themsleves, but where Cohen gets people to drop their guard by subterfuge Theroux is just a nice intelligent guy who cuts the more probing questions with genuine interest in the lives of his subjects.