What does that have to do with piracy and the OP's original point? If you're saying that people need to see a completed product to determine whether it's OK to buy then that's the weakest argument I've seen on here yet (edit: apart from that they're too expensive and one wouldn't purchase anyway).
For some, a couple of chapters will do. For others, it may not. Can you provide the back up I requested please.
[This really needs to get back on track.
To that end, while I loathe supporting the supermarkets, they do have some nifty offers on new blu ray (Dredd is just £12.99 at Sainsbury's this week).
People, including myself are replying to your comments, which relate to illegal downloading. Just because you dont like the answers doesn't equate to the topic going off track.