Meilleur laptop

Bonjour,
Je me demande quel laptop est le meilleur entre le Alien et le Dell que voici:
voila pour Alien,
Sound Card:
Integrated 7.1 High-Definition Surround Sound
Primary Optical Drive:
8x Dual Layer Burner (DVD+-RW, CD-RW)
Keyboard:
Non-Illuminated Keyboard – Exclusive Design
Operating System:
Microsoft Windows Vista Home Premium
System Storage:
160GB 7,200RPM (8GB Cache)
Graphics Card:
Dual NVIDIA® GeForce® 8700M GT with SLI® technology
Display:
17” WideUXGA 1920 x 1200 LCD
Processor:
Intel® Core™ 2 Duo T7500 2.2GHz processorr
Turbo Cache Memory:
Intel Turbo Memory (1GB)
Memory:
2GB of 667MHz DDR2 Memory

voila pour Dell
XPS M1730
Intel® Core™ 2 Duo T9300 (2.5GHz/800Mhz FSB/6MB cache)
Genuine Windows Vista™ Home Premium Edition, English
4GB Shared Dual Channel DDR2 SDRAM at 667MHz
Speed: 250GB 7200rpm SATA Hard Drive Free Fall Sensor
17 inch UltraSharp TrueLife Wide-screen WUXGA
Blu-ray Disc Combo (DVD+/-RW + BD-ROM)
1 Year Return to Depot Service, Complete Care and Technical Support

Donc, pourvez vous me dire quel laptop est le meilleur????