More great info from The Major. Apparently, four Ghost Recon Advanced Warfighter 2 gameplay videos are now available for download on Xbox Live Marketplace. They are in both SD (480p) and HD (720p) versions, Free and available in all regions. The details:

Name: Air Strike Trailer (480p/720p)
Dash Details: GRAW 2 gameplay video featuring the new air strike.

Name: Sniper Trailer (480p/720p)
Dash Details: GRAW 2 gameplay video featuring a brand new sniper rifle.

Name: Helicopter Ride Trailer (480p/720p)
Dash Details: GRAW 2 gameplay video featuring amazing helicopter ride and gatling gun!

Name: Squad Tactics Trailer (480p/720p)
Dash Details: GRAW 2 gameplay video featuring new advanced squad tactics.