The first question that comes to every ones mind when they see Playstation 3 Downloads is: Is this legal?
Downloading anything from the internet might sound illegal, some may think it's pirated material some may think it's rental only, but a quick fact is that if it does not violate the ToS (terms of agreement) then it is Legal! That's a golden rule.
Now sharing is not illegal as long as you obey all relevant copyright laws. Using P2P programs to download and distribute copyrighted music, movies and games without permission is illegal.
Some content found on file-sharing (P2P) networks may be reproduced, uploaded and downloaded. There are a significant number of copyright holders who have authorized the sharing of their content for non-commercial purposes, such as some content with Creative Commons format licenses§, and there is also content available in the public domain and not protected by copyright. Most commercially released popular songs, films, and software are NOT authorized for free redistribution but require separate purchase or licensing.
As you probably know there are a few Playstation 3 Downloading Website and most of them are in fact illegal!
What does mean? It mean's that if you join and probably download ps3 content from these websites you are violating the copyright law, which then leads to civil or criminal liability and penalties.
The safest thing you should do is join a website that does in fact have the license to distribute copyrighted material.
I hope this gave you enough info
Still not sure? Look at this website to get a bit more confident about downloadning ps3 content.
Free Ps3, Xbox 360, Xbox 360 Elite or Nintendo Wii