UpcomingDiscs has the first Jarhead HD-DVD review posted...
http://www.upcomingdiscs.com/dvd_rev...re=date_posted
Here is a brief blurb...
The HD-DVD version improves the little faults the DVD release had in the video department (scenes of dirt) while the audio department becomes even clearer. If you are all about HD-DVD like I am, pick up Jarhead as it is the first defining action film on this format.