All I can say is that I had nothing but the most pleasant experience purchasing the wheels and having them installed.
I purchased the set from TireRack with everything including the TPMS sensors. Had them shipped to the local Tires Plus here in Waldorf MD where David, the owner, took the absolute upmost care of my Z as he personally installed the wheels, cleaned up the calipers, and programmed the new TPMS sensors.
The customer service from both TireRack and David and his associates at Tires Plus in Waldorf get an A+++! I am thoroughly satisfied and to boot the wheels look great on a black 2013!!
So here you are, finally for the first time (as far as I could tell) pictures of the acclaimed 225/50 Bridgestone Blizzak LM60's mounted on 18" Sport Edition A7's on a 370!
Enjoy!
You can find a few more pics in my album:
225/50 Bridgestone Blizzak LM60's mounted on 18" Sport Edition A7's
Also, David at Tires Plus told me that Bridgestone had him out for an event where they put them in cars with helmets and what not that were equipped with Blizzaks and let them go nuts on an ice. He said the performance was absolutely amazing. Just an interesting little side note.. :P
Thanks to everyone on this forum who helped me in the decision making process; you know who you are!
Let me know if anyone has an specific questions for me!