I have had some legal torrents (Linux distributions) running on my network. For the month of June, up to this moment, I've uploaded 822.26GB and downloaded 74.96GB. I have been stoked about the speed increase and price decrease. If only other businesses would take this approach.
Yes I had Surewest with a roommate at one point, and he did torrents all the time.. probably most not legal. I was running pfSense so was able to look at MRTG. In one month my connection downloaded over 1TB and uploaded about 500GB. I never heard a peep from Surewest, but was still very surprised after seeing that and asked him to cool it down