ok, so i want my laptop to run at an ok speed on games, it currently has a cerelon t3000 1.8ghz and 4gb of ram, i would like it to have 4gb of ram and like an i7 prossesor, also a better gpu. so what would i need to go about doing and buying to upgrade to thoese things. thanks. ps i would like to use it for gaming like star trek online and racing games, mabye some planet side aswel.