MGS4 GotP
Everything in this game is incredibly done; cinematics, gameplay, weapons, music, graphics, voice acting, boss fights, customization, multi-player, etc.
If you own a PS3 you really should do yourself a favor and play this game. If you are a fan of the Metal Gear Solid series, you should get this game immediately.
From http://en.wikipedia.org/wiki/Metal_Gear_Solid_4:_Guns_of_the_Patriots
"Set in 2014, five years after the "Big Shell Incident" (the events of the Plant chapter from Metal Gear Solid 2), Metal Gear Solid 4 portrays a world where the restriction of military intervention on foreign soil has been eased, fueling the need for private military companies (PMCs) to fight proxy wars for business purposes. Nanotechnology has become prominent, both to enhance the capabilities and enforce the loyalty of mercenaries.
The nanos that are in the PMCs are called "Sons of the Patriots" or "SOP". The five largest of these PMCs (Praying Mantis, Otselotovaya Khvatka, Werewolf, Pieuvre Armement and Raven Sword) are owned by a single mother company named Outer Haven, which is operated by Liquid Ocelot. Amassing an army whose manpower rivals that of the United States, Liquid prepares to launch an armed insurrection by taking control of SOP.
With the world once again in crisis, a rapidly aging and disillusioned Solid Snake is deployed into the Middle East by Roy Campbell to terminate Liquid. Guns of the Patriots takes place in five locations, including the Middle East, South America and Eastern Europe."
Yeah that's right, it's a huge game. I'm only 14 hours into it but I'm still in the Middle East. The Drebin system is really cool and kind of similar to the Merchant in RE4 but only in convention. Drebin points are awesome and it is a really nice way to reward the players who want to have powerful weapons early on in the game through hard work and fighting. My first play through, I'm going to go all out on the Drebin system, but second time through I'll play using it only to upgrade my weapons in stealthier fashion and play stealthy.
MGS4 feels like an important game for the industry, and many believe that it is. It sets the bar on so many levels and it's good to see that such care was taken in making the end of Snake's saga come to a dramatic end.