Well, the thing with newsgroups is you have to *gasp" pay for a usenet service. About $100-120 per year.
It's old school stuff and a bit more fiddly than torrents. But it is server based, not peer to peer so downloads are faster and a lot of the indexers are keeping files for 1000 plus days now.
http://www.newsgroupreviews.com/Tutorial.html
Mac.