I cut out the hard drive opening to fit a bigger drive but now that I can have an external I decided to get it back to looking like a PS4 and not Frankenstein's creation.
It went fine until I got to the power supply. It was a little difficult getting it to release from the power pins on the motherboard. When it finally let loose I thought I broke it but everything turned out fine. After that it was a breeze.
I have set of security torx bits and the project called for a security torx 9 but my set skipped 9 so I used an 8 and it still worked like a charm.