A helpful tip and tech note from our friends at Oppo Digital. With 2 cables and an Oppo HA-2 (price: $299), you can add DSD 256 to the Sony Walkman NWZ-A17 (price: $299) and have a portable Stereo DSD 256 download player!
http://www.oppodigital.com/KnowledgeBase.aspx?KBID=108
http://www.oppodigital.com/KnowledgeBase.aspx?KBID=108