Laptop upgrade?

I have Asus 2.2 Dual core but i am not satisfied with my laptop..How i upgrade it ?

I'll stick with dell :

Laptop Dell AlienWare M17x
Procesor : Intel Core 2 Quad Q9000 (2.0 GHz, 6MB Cache, 1066MHz FSB)
Memorie : 4096MB DDR3 1333MHZ DDR3
Hard Disk : 500 GB FREE FALL SENSOR (7200 RPM); DVD-/+RW
Ecran : 17" WideXGA+ 1440 x 900 - (900p) LCD
Placa Video : Dual SLI 2* 1GB GDDR3 NVIDIA GeForce GTX 280M
Dotari:Wireless : DA; Webcam: DA; Bluetooh: DA;
Porturi : 4x USB 2.0; 1x eSATA/USB 2.0; 1x IEEE 1394a (4-pin); 1x DisplayPort, HDMI, VGA; 1x Audio; 1x Retea; Card-Reader;

and get a supertalent masterdrive SSD 64 Gb @ 200 usd and you are really set.

is alienware M11x that good as many people say?