I've seen torrents easily saturate 350 Mbps connections. Speed is actually one of the advantages of bittorrent protocol and has inspired things such as Windows peer to peer update feature.
I've actually been having problems with downloads from an indexer (nzbplanet) that don't download. I wonder if I have something configured wrong. I am not sure how to tell an indexer site what provider and backbone I am on.
I maybe wasn't clear. I have SABnzbd setup with the provider correctly (got it to download one file I found successfully). What I mean is can I set the indexer websites to only show stuff that's avaliable from my backbone as I only have one usenet provider on the Omicron backbone.