Torrent:
1-Little bit of khuwari
2-You don't know what you got until or unless you are getting rip from some famous ripper
3-uneven speed some time no speed depend upon how famous torrent is
Sharing Website:
1-Screen shot available by whom who shared
2-You will get the full speed of your internet connection even if its a really high end connection downloading can be complete in minutes
3-No khuwari at all.
That's all i know but i will still prefer little bit of khuwari then wasting some money on monthly basis. Torrent is best until or unless you want nasty stuff which is not available on torrent 