The refreshed 11 inch alienware will put the air to shame. 
here is a review 
http://www.notebookcheck.net/Review-Alienware-M11x-R3-Gaming-Notebook.51236.0.html
Here are the specs of it. Link 
http://www.dell.com/ca/p/alienware-m11x-r3/pd
Its amazing that they could get that graphics card inside that little thing and 16 GB of RAM. The battery lasts 7.5 hours when surfing the web and up to 12 when idle. Course it does weigh a ton compared to the Air. Costs $999 for the basic edition. 
   Processor
    Intel® CoreTM i5 2537M (1.4GHz/3MB cache)
    Intel® CoreTM i7 2617M (1.5GHz/4MB cache)
Memory
    4GB Dual Channel DDR3 at 1333MHz
    6GB DDR3 at 1333MHz
    8GB Dual Channel DDR3 at 1333MHz
    16GB Dual Channel DDR3 at 1333MHz
Video Card
    2048MB NVIDIA® GeForce® GT430M
    1024MB NVIDIA® GeForce® GT430M
Display
        11.6 inch display (1366x768) 
Hard Drive
    Up to 750GB5 SATA hard drive (7200RPM)
    Up to 256GB5 Solid State Drive SATA hard drive
Ports, Slots & Chassis
    System Dimensions
    Height: 32.7mm (1.29 inches)
    Depth: 233.3mm (9.19 inches)
    Width: 285.7mm (11.25 inches)
    Starting at Weight2: 2.0 kg (4.4lbs)
    External Chassis Connections
    (1x) IEEE 1304a (4-pin) Firewire Port
    (1x) RJ-45 Gigabit Ethernet
    (2x) SuperSpeed USB 3.0 Ports
    (1x) Hi-Speed USB 2.0 Port with PowerShare technology
    (1x) Display Port
    (1x) HDMI 1.4 Audio and Video Output
    (1x) 3-in-1 Media Card Reader
    (2x) Audio Out 1/8" Ports
    (1x) Audio In / Microphone 1/8" Port (retaskable for 5.1 audio)
    (1x) Security Lock port
    Battery Details
    High Capacity 8-cell Lithium Ion (63whr)