From February 2007 until July 2007, Samsung is offering free upgrades for Nero (from 6.6 Express to latest 7.x Essentials) and Cyberlink Power DVD for owners of recent Samsung drives. Both upgrades are Vista capable.
For details, including the list of drives that entitle to receive the upgrade, please see http://www.samsungodd.com/eng/popup/070206.asp
In case of the Nero upgrade, Name, valid mail address and Nero serial number are required. Allow about one week for processing, you get a new serial number via Mail.
Credits belong to user GrrRon for having posted this information a couple of weeks ago.
P.S.: As this upgrade offer expires by end of July, this thread will be deleted then.