>>268644358
$8 is for a PS3 camera. It'll track any controllers, but the newer ones don't work with PSMoveService. Here's their recommended parts list:
https://github.com/psmoveservice/PSMoveService/wiki/Hardware-Purchase-List

You'll still need to do the ping pong ball trick with the headset. I don't think there's any other way to track headset position for PSVR.