Linux users can now be happy: MacBook Air is not the only one ultra thin stylish laptop any more. Dell releases a new notebook with Ubuntu as preinstalled OS. Starting today, customers in Germany, United Kingdom, France and now Spain can purchaseUbuntu Linux 7.10 with built-in DVD playback on the XPS 1330n (in addition to the previously-released Inspiron 530n desktop system. For U.S. customers, you’ll have to hold on a week or so.