I download too. If you need more info about it, PM me, because I think it is forbidden to post it openly. I keep on seeding til next episode then I put it on my external harddisk for saving purposes, so my disk won't be full at one time, although I got 160 GB, should be enough for some files!!
I also have Life on Mars (both seasons), SG1, SGA, Battlestar Galatica, Smallville and now I'm into Roswell (no more running on TV, so interest is a little low and downloading takes aaaaages compared to Lost!

).