Display: 13.3" LED backlit color display with automatic brightness control (manual brightness option is there as well). Native resolution 1280 x 800, supports millions of colors (32 bit). Intel GMA X3100 integrated graphics with 144 megs of shared memory. DVI out capable of driving monitors up to 23".
Battery: Lithium Ion rechargeable, not user replaceable. Apple stores can replace it for $129. Compact 45 watt Apple MagSafe world charger included with smaller connector to fit the Air.
Performance: Intel Core 2 Duo 1.6GHz processor or Intel Core 2 Duo 1.8GHz processor (custom 65nm Merom,Intel P7500), both with 800MHz FSB and 4 megs level 2 cache. Intel 965GMS chipset with specially resized CPU to fit in the Air (this is not a ULV processor). 2 gigs DDR2 667MHz RAM soldered to motherboard, not upgradable.
Drives: 80 gig 1.8" 4200 RPM PATA drive or 64 gig SSD drive. 80 gig HDD formats to 74.5 gigs and the 64 gig SSD formats t 55 gigs. Has sudden motion sensor to park hard drive on HDD model. Optional $99 external USB SuperDrive dual layer DVD drive (reads and writes CDs and DVDs).
Size: 12.8 x 8.94 inches. The thickness is 0.16 to 0.76 inches. Weight: 3 pounds.
Keyboard and Trackpad: Full size notebook keyboard with 78 keys, 12 Fn keys, 4 arrow keys. Number row is above letter keys. Oversized trackpad with multi-touch gesture support similar to iPhone and iPod Touch.
Camera: Integrated iSight web cam with mic.
Audio: Built in mono speaker, mic and 3.5mm standard stereo headphone jack. Intel High Definition Audio chipset.
Networking: Integrated WiFi 802.11n "AirPort Extreme" (also compatible with 802.11a/b/g) and Bluetooth 2.0 +EDR (Broadcom).
Software: Mac OS X 10.5 Leopard. iLife 08 (iPhoto, Garage Band, iWeb, iMovie HD, iDVD). OS X applications include Safari, Mail, Preview (PDF and image viewer), Time Machine (backup application), iCal calendar, Address Book, QuickTime, Front Row, iChat, Dashboard, Spotlight and Xcode developer tools.
In the Box: MacBook Air, MagSafe world charger, micro-DVI to DVI adapter, micro-DVI to VGA adapter, 2 system software install/restore DVDs with Boot Camp drivers and optical drive sharing software on disc 1, polishing cloth, printed guide.