Just buy a new Pcb, and mod it. Not very hard, and the Ps360+ is solder free for those that are not experience enough.
Fixed sentence.
to clarify I want something that will work on PS3 and PS4. I'm planning to get a PS4 for Xrd, but I want a PS3 stick right now.
I'm not against building my own, hell I built a 4 player panel for a MAME cabinet last year. But the last time I checked (a few months ago) nothing offered compatibility with the old consoles and PS4.