867Mhz - 1.6Ghz
12",15" & 17"
Silver Keyboard

400Mhz - 1Ghz
15" Display
Black Keyboard

1.6GHz - 2.8 GHz 17 - 24 inch Nvidia Graphics

Intel Processor
1066MHz DDR3
8TB of internal storage

Dual-Quad and 8 core
Upto 32GB Memory
Mac OS X Snow Leopard

2.26GHz, 2.53GHz, or 2.66GHz 6.5 inches 2GB to 4GB Memory

500Mhz - 1.4Ghz
12"&14" Display
Whiter Casing

500Mhz - 1.4Ghz
12"&14" Display
Whiter Casing