Well, there goes that idea.. I went to put the XV wheels back on the car, and there is no way that they will clear the 4 Pot brakes.. They are just shaped the wrong way. I did find out that the stock 16x6 wheels will clear the 4 Pots with no spacers. Since the XV wheels are a much larger investment on my part, I put the stock brakes back on and swapped the wheels on. Since the driver caliper was sticking and dragging, I grabbed the one off of the BH that Muse and I are parting out until I can get a replacement. I am very disappointed with this development.. it seems like everywhere I was reading that 17x7 rims would be fine, but I guess that does not take into account the spoke design.
It is hard to take a picture of the differences, but the Outback rims have a "dish" to the spokes, where the XV rims do not... they just protrude from the hub straight out to the edge.
Outback rim:
XV rim: