Definitely not enough in there. Just like with the Ecoboosts, I personally wait until Fuelly starts getting at least 100 of the vehicles on there. Being that they're hyping up fuel economy, I'm sure lots of MPG minded individuals will buy the XD and post numbers there.
E'Aho L'ua
2013 RAM 3500 Crew Cab 4x4 SRW |Cummins @ 370/800| 68RFE| 3.42 gears
Currently Rig-less (still shopping and biding my time)