Graphics card help please

I have never done gameing on pc before (apart from tomb raider 3 but that was well back in the day), with the recent release of the start trail for WOW and the feature Emily did on free to play MMO i am keep to get into pc gameing, but i used a program called can you run it and it turns out my laptop graphics card isnt good enough(not surprising since it isnt a special gaming one) so i was hopeing you guys might be able to help me out and recomend what graphics card to get and wherre to get it from?
if it helps narrow it down im currently using a 'Mobile intel 4 series express chipset family' and i wanna be able to run star wars:the old republic wen it comes out so i guess i need a pretty decent one but as im off to uni soon im on a bit of a budget for everything so a cost effective one would be good
MASSIVE THANK YOU TO ANYONE WHO CAN HELP!!!!!

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