I think One Big Torrent is an exceptional tracker.
Before registering I was able to complete a torrent and it is refreshing to see that I was able to give back to the tune of a 2.6 ratio (I think it is the right thing to do).
By virtue of this post you will all know I have registered and I will attempt to participate as much as my time will allow me.

Congratulations!, One Big Torrent.