There is nothing worse than downloading a 6GB PKG only to get an "80029563" (Corrupted Data) error during installation. The best archives provide so you can verify the file didn't corrupt during download.
: A vital resource for preservation, the Internet Archive hosts massive directories of PS3 PKG games, often organized by region. While download speeds can vary, it is a highly trusted, ad-free repository for "no-intro" and retail sets. ps3 pkg archive best