Folder format is great for tinkerers and modders. Keep a few folder games for testing patches, but convert the heavy hitters to ISO. Your PS3 will thank you.
RetroManiac
Here’s an interesting and detailed post about (PS3 folder format games), written in an informative, community-style tone. Title: PS3 Folder Format Games: The Ultimate Guide for HEN & CFW Users juegos formato carpeta ps3