Intel 2.1GHz l Core 2 Duo, 2GB 667MHz DDR2 SDRAM, 320 GB HD, SuperDrive 8x (DVD±R DL/DVD±RW/CD-RW)
Also includes 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector), 13.3-inch (viewable),Mac OS X v10.5 Leopard

Product DescriptionAPPLE 13-inch MacBook laptop- Intel 2.1GHz l Core 2 Duo, 2GB 667MHz DDR2 SDRAM, 320 GB HD, SuperDrive 8x (DVD±R DL/DVD±RW/CD-RW), 10/100/1000BASE-T Gigabit Ethernet [...]

2.8GHz Intel Core 2 Duo , 4GB DDR3 SDRAM, 320 GB SATA HD,8x SuperDrive (DVD±R DL/DVD±RW/CD-RW), NVIDIA GeForce 9400M
Built-in iSight camera and omnidirectional microphone, One FireWire 800 port, two USB 2.0 ports, SD card slot, 10/100/1000BASE-T Ethernet
AirPort Extreme Wi-Fi , Bluetooth 2.1 + EDR (Enhanced Data Rate) module
15.4-inch (diagonal) LED-backlit glossy widescreen display, [...]

LEOPARD OS X 10.5 AND MICROSOFT WINDOWS XP PRO
INTEL 2.66GHz Intel Core 2 Duo, 4GB DDR3 SDRAM
500 GB SATA HD, SuperDrive 8x (DVD±R DL/DVD±RW/CD-RW), NVIDIA GeForce 9400M + 9600M GT with 256MB
wireless LAN antenna, Bluetooth antenna, Mic, iSight camera, 10/100/1000Mbps, Wireless
15.4-inch (viewable) LED-backlit glossy widescreen

Product DescriptionAPPLE MACBOOK PRO WITH PARALLELS NOTEBOOK LEOPARD OS [...]

.1GHz Intel Core 2 Duo, 4GB 667MHz DDR2 SDRAM , 160GB Serial ATA Drive @ 5400 rpm
Combo Drive (DVD-ROM/CD-RW), Intel GMA X3100 graphics, 13.3-inch (diagonal) glossy TFT
Built-in 10/100/1000BASE-T (Gigabit) Ethernet, AirPort Extreme Wi-Fi (based on IEEE 802.11n draft specification);
Built-in iSight camera; mini-DVI output port with support for DVI, VGA, S-video, and composite video
Mac [...]

2.53GHz Intel Core 2 Duo , 8GB DDR3 SDRAM, 500 GB SATA HD,8x SuperDrive (DVD±R DL/DVD±RW/CD-RW),
NVIDIA GeForce 9400M, Built-in iSight camera and omnidirectional microphone, One FireWire 800 port (up to 800 Mbps)
SD card slot, 10/100/1000BASE-T (Gigabit) Ethernet, AirPort Extreme Wi-Fi
Bluetooth 2.1 + EDR (Enhanced Data Rate) module, 15.4-inch (diagonal) LED-backlit glossy widescreen display, [...]