If you signed up for it early on, they sent an email asking you to sign up for it again:
We recently received your order for the Kenwood Sovereign DVD disc.
It has come to our attention that some Internet sites have
erroneously stated that Kenwood USA is giving away free DVD players.
Due to this and in order for you to receive a Kenwood Sovereign DVD
disc, please could you return to http://www.kenwoodusa.com and submit your
We apologize for any inconvenience this may cause.
The Marketing Team
Kenwood USA Corporation
I received that email on August 29th and signed up again. I did eventually get the DVD, but I don't remember when.