See this post:
http://www.carhack.org/forum/index.php?topic=18.0
I am in dire need of the 05064033AE as well. I am in Rural Alabama and so far, the unit has been a disappointment. On the way home, it loses track of where I am....my area is just not on the DVD....if anyone can help, it is appreciated....wife gets lost easily so she's driving the other car with the working Magellan 760.