I have m2nmx se plus mother board. i have to buy a video card price around 4000 to 5000. i have 450 W SMPS?

please suggest a good card.|||Wait some months the price of a gaming card HD5750 is going to fall as Rs 5000.....

Do you have 12 v rail in your psu(mention the model of your psu/smps)?..if 'no' then you need to upgrade that first...