Judah Grunstein notices what is missing:

No significant works of art have yet emerged from the wars in Iraq and Afghanistan. If that seems like a trivial observation, consider the impact of  "All Quiet on the Western Front" or WWII-era literature (Mailer, Heller, Vonnegut) on American society and culture, or Vietnam-era cinema (Deer Hunter, The Boys of Company C, Apocalypse Now, even Platoon) and TV (MASH).

He thinks this has to do with the transition to a professional military and publishing's emphasis on memoir and non-fiction.