Pre Digiplayer:
http://www.flyertalk.com/forum/showthread.php?t=412388
bluesincenew and I took a flight out right after they started service. I took a DH flight to SJC recently and the in-flight service was exactly the same, plus Digiplayers. On my SJC flight they were out of splitters, so I'd suggest bringing your own headphones and splitters if you want to use them, just in case. Besides, your headphones are probably better than what they're going to give away as included in the $10 rental fee.