Your question has been answered several times over: PS3.
It's the cheapest option, and has most games you like. Neither of these can be played on PC or 360:
Uncharted 1, 2 and 3
inFAMOUS 1 and 2
MotorStorm 1, 2 and 3
Gran Turismo 5
God Of War 3
God Of War Collection
Tales Of Graces F
Tales Of Xillia
Valkyria Chronicles
Demon's Souls
Little Big Planet 1 and 2
Modnation Racers
Heavenly Sword
RESISTANCE 1, 2 and 3
Killzone 2 and 3.
Folklore
Heavy Rain
The Sly Collection
Ratchet & Clank (Tools Of Destruction, Quest For Booty, A Crack In Time, All 4 One)
Siren Blood Curse
Ninja Gaiden Sigma 1 and 2.
Saint Seiya
YAKUZA 3, 4 and Dead Souls
Twisted Metal
Jak And Dexter Collection
Metal Gear Solid 4
Atelier Series
House of the Dead 3 and 4
Time Crisis: Razing Storm + Deadstorm Pirates
Pixeljunk Series
Ico and Shadow of the Colossus Collection
Wipeout HD
+ You get all multiplats + Blu Ray + Free Online + awesome media center.
/thread
"Well certainly with the Xbox 360, we had some challenges at the launch. Once we identified that we took control of it. We wanted to do it right by our customers. Our customers are very important to us." -Larry "Major Nelson" Hryb (10/2013). Note: RRoD was fixed with the Jasper-revision 3 years after the launch of 360
"People don't pay attention to a lot of the details."-Yusuf Mehdi explaining why Xbone DRM scheme would succeed
"Fortunately we have a product for people who aren't able to get some form of connectivity; it's called Xbox 360,”-Don Mattrick
"The region locking of the 3DS wasn't done for profits on games"-MDMAlliance
