hey,,just about 2 months ago,,i upgraded my system to an asus p8b75-mlx mobo,i3-3210 proc,G.Skill Ripjaws 4GB ram and a really low budget pc case of Zebronics,,now i am willing to add a graphics card and psu,,actually i have chosen Gigabyte NVIDIA GeForce GTX 650 2 GB GDDR5 GV-N650OC-2GI Graphics Card,,will this be able to run games for the next 2 years?? and for the psu,,i have a budget of max Rs 4500,,plz can you guys suggest some?? thanks in advance