Audible is running a Summer Sweepstakes for Audible on Windows and Windows Phone.
To take part in the contest you simply have to fill in their form, with your name, email address and phone number. No purchase is necessary.
The contest is open from the 20th June till the 30th June 2012 and there is a total of 10 prize packages to be won, which includes a Nokia Lumia 900, Samsung Series 7 slate and $500 which is a pretty good prize for simply filling in a form.
As usual the contest is only open to US residents. If you qualify see more at Audible here.