I am going to buy an hp dv5 laptop and it comes with a nvidia 9200 gs graphics card they also offer it with a nvidia 9600m gt graphics card I getting the laptop at best buy because it is on sale and I was wanting to know if it would be possible for me down the road to buy andinstalll the nividia 9600m gt graphics. How much better would the 9600m gt be and is the 9200m even good I will be playing games like rainbow six vegas