1. A Gaming Laptop, games work much better on Desktops.
2. P4 are not at all recommended fr laptop, they drain too much of power n produce too much heat. Both factors will affect the life of ur laptop. Go fr Centrino (Pentium M 2Ghz)
3. U may want to go for AMD 64, there system comes with atleast 128MB dedicated VRAM. and 64 bit um r future proof.
4. If u r into intense gaming then please buy a laptop with WXGA, large viewing angle and anti glare TFT screen.