i m moving on from 5450 i want a suggestion which graphics card to buy ..... i have a range of 170 dlrs and at most 180 ..... some cards that i have liked are 7770 or 650 ti ..... what will be ur suggestion ... ??? plzz help ... i have a i7 2600k and 4gb ram .... does memory matter or should i go with 7770 .... if any other good graphics card is available plzz suggest .... thank you