Which Is Best, Alienware M11x Or Macbook (pro)?

Alienware m11x specs at $1,150:
Genuine Windows® 7 Home Premium (64-bit)
Intel® Core™ i7 640UM (4M Cache, 1.2 GHZ with 2.266 GHz Max Turbo Frequency) – Overclockable
4GB Dual Channel DDR3 at 800MHz
160GB SATAII 5,400RPM
No Internal WWAN Antenna Installed
Alienware M11x, Soft Touch Stealth Black
Mars Red
AlienGUIse Theme Manager with Breed Theme
Alienhead Chrome Red
Steam and Portal™ Factory Installed
1GB NVIDIA® GeForce® GT 335M
11.6-inch WideHD 1366×768 (720p) WLED
Internal High-Definition Surround Sound Audio (5.1)
Adobe Acrobat Reader
Alienware M11x 90W A/C Adapter
Integrated 10/100 Network Interface Card
Automatic Updates: On
1.3MP Web Cam
Standard Nameplate
Alienware M11x a/b/g/n 2×2 MIMO Wireless
or a similarly priced Macbook Pro or Macbook