hd 7850

Hello Everyone, I'm from Kolkata and I'll be buying a new Gfx Card on March 1st week. Budget is ~12K. Currently I'm using a very old rig (MSI mobo having PCIx16 2.0, Athlon x2 240, 4GB DDR2 800Mhz, Cooler Master Extreme Power 500W). Will be dumping the whole rig within next 2-3 months, till...

1. What is the purpose of the computer? What all applications and games are you going to run? (Stupid answers like 'gaming' or 'office work' will not work. Be exact. Which games? Which applications? Avoid the word 'et cetera.') Ans: Dota2, BF3, MaxP3, Steam, Borderlands2, Photoshop, 2...