I am okay with pirating games for several purposes.
1. As demos
2. For archival purposes
3. For critics, who can't afford everything but who SHOULD own everything
If I think of any more reasons I will let you know (or you can suggest some yourselves).
If you want to discuss the above, I think we already have a thread in the Theory forum, or you can create one if we don't. This thread is merely for posting resources.
http://igg-games.com/
Looks like they have many new games. I might try Cuphead, since I haven't been able to make the Steam version work, and had to refund it (though everyone else on my friendlist who bought the game managed to run it just fine, so don't let my experience deter you from buying it. You can always refund it anyway, as I did.)