hey i am a new bie..looking for a lap top too... wanna get some graphic power along with it..anyone can explaain to me laptop graphic cards...like th x1600 and x1700 and the nvidia ones..what is this shared memory and all..man..im really confused..whats the bit like on these cards..can i play decent games like heroes 5 on anyone..if so how much would i have to pay? pls pm me i need info~!