SCT is out of the 9550 x2. They have discontinued it. They are a few months out from moving the dodge platform to their X3 device. The X3 "may" even have a data logger but I'll have to see it when it comes out. They said it should though.
I've got some X2's in stock and will continue to sell them until I'm out. As it looks, the x3 will be another $100 to $150 higher price than the x2