Yeah that's what it is looking like. I was just hoping somebody would tell me that I was an idiot and all I needed to do was XXXXX.
When I tried the SB600 I was using the commander setting in the camera. I believe if your camera has commander mode it will work with built in or any hot shoe flash as long as the camera is set to commander mode. I may be wrong on that though.
It will be covered under warranty, so it is just a hassle.