I just created a bootable USB drive, and I'd like to do a fresh install. I need help in determining what the best way to preserve my data is. I have a Time Machine drive, but I'm not sure if that can be used to retrieve data without risking bringing over old problems. Can you restore just files from Time Machine without any part of the OS? Or should I just drag Music, Photos etc to an external and drag them back after the fresh install? I know that with iTunes for example, I need to be sure to preserve the XML file. Is there something I need to know about Photos as well, or any other apps? Any help would be appreciated.