Using the 09 trans is out of the question as it was already sold and for a 4x4. The factory computer was damaged as was much of the wiring etc. I was also told that it would be "a major undertaking" to use the factory ecu as it is tied into the entire vehicle on '09's.
Check out what Stu says in this thread:
http://www.forabodiesonly.com/mopar/showthread.php?p=901975#post901975