personally i don't even bother with anything that isn't at least a R5(or better) xvid/divx anymore. I used to be impatient and watch cams and telesyncs but now id rather wait for the good quality stuff. Since i have gotten my new tv and pimpin 7.1 Klipsch sound system i even prefer to wait until real dvd/bluray rips are availible. That being said i use a usenet account (
www.newshosting.com) and
Newzleech.com - Usenet Search to find all my movies and downloading using newsleecher(program you open nzb's with).
FYI for all you enthusiasts out there who may happen to own a PS3 or select sony bluray players. There is a way of pirating HD(720p, 1080p) rips to work on dvd5's and dvd9's(rather than extremely expensive bluray discs). A group called PS3AVCHD is releasing AVCHD rips, which are explained here
AVCHD - Wikipedia, the free encyclopedia
And if you want something they haven't already released it is very simple to convert your HD MKV files to AVCHD using this guide.
AfterDawn.com: Guides: Convert MKV to AVCHD for PS3 and Blu-ray
The only real downside is the size of HD media files, which is why usenet is key for downloading 8GB+ files, because it can handle to send to you at the maximum speed you likely can receive. For me usually the downloads go at 1 MB/s - 2 MB/s.