Good question. I just got a call back from the dealer and they did indeed find the leak where I described (the #3 cylinder!) so they are going to replace the gasket, valve cover and the do the PVC oil TSB at the same time. Unfortunately they need to keep it overnight to get parts but that wasn't a surprise given the earlier discussion in this thread so I should be good to go.
I was able to find a thread from a long time ago detailing out the correct firing order/cylinder orientation that indicated the 1,2,3 cylinders are in the back bank but I closed the window and I literally can't find it again in my search...it's driving me crazy!