i am confused wether to install windows 7 in my pc.....i currently have xp installed......i am interested in gaming and play games like call of duty , splintercell , fifa etc.........my system configuration is 2gb DDR2 ram , core 2 duo processor 2.93 Ghz , 512 Mb GeForce 8400 graphics card........My worry is that if i install windows 7 will it affect the games i play coz i read that windows 7 consumes more RAM than windows xp.......for the time being my dad wont allow me to upgrade ram from 2 to 4 gb......guys please help me regarding this