@vox : I didn't bought this laptop it was a present 4 years ago but Is slow, and I'm thinking about buy this pieces :
1 or 2gb Video : Ati 6670: 128bit 1gb OR Gt430 64bit 2gb
4gb Ram
3.3 Ghz Processor = Phenom 2 x2 = 3.3Ghz
Go to a computer shop and get some advice, I'm sure there are professionals who can help you with this kind of thing.