Anyone who has played and actually paid attention to Spec Ops probably already knows this, but as more and more people start to really dig into the game and what it says/does, I think that it is becoming increasingly apparent that Specs Ops could be the most IMPORTANT game of this year.
Brendan Keogh is writing a book of critical analysis of the game, looking closely at the narrative and mechanics of the game to analyze its message.
In a fledgling industry like this, which is still struggling with artistic expression and meaning, games like Spec Ops are extremely important to allowing people to understand the larger scope of meaning that games can bring. The game could become one of the seminal tentpoles of the entire "Games as Art" argument simply because the mechanics and gameplay are not dissonant with the narrative. Spec Ops, unlike BioShock/Braid/Limbo, cannot be split into its game parts and its narrative parts. The art is cohesive and whole.
For those that want an overview of what I am talking about, here is a fantastic video on it. Spoilerific, but massively interesting.
20-30 years from now, we could all look back on Spec Ops as one of the most significant titles in the "Games as Art" movement.