Hmhm.. Upgrading is a good idea.. But now, what I'm actually planning is to sell my laptop and buy a new one.. Because here in UK upgrading would have the same cost compared to buying.. And also, there are only few who upgrades laptops here.. You may ask me why I just buy laptop instead of PC.. Well, my answer.. I don't have permanent house.. I hope you get the idea. I'm so excited for Intel Core 2 Duo..