Toshiba Satellite L450-EZ1542 - Core 2 Duo T5870 / 2 GHz - RAM 3 GB - HDD 320 GB - DVD±RW (±R DL) / DVD-RAM - GMA 4500MHD - IEEE 802.11n - WLAN : 802.11b/g/n - Windows 7 Pro / XP Pro downgrade - pre-installed: Windows XP - 15.6" Widescreen TFT 1366 x 768

Toshiba Satellite L450-EZ1543 - Core 2 Duo T6670 / 2.2 GHz - RAM 4 GB - HDD 320 GB - DVD±RW (±R DL) / DVD-RAM - GMA 4500MHD - WLAN : 802.11 a/b/g/n (draft 2.0) - Windows 7 Pro / XP Pro downgrade - pre-installed: Windows XP - 15.6" Widescreen TFT 1366 x 76

Lenovo ThinkPad R60e 0658 - Core Duo T2300E / 1.66 GHz - Centrino Duo - RAM : 512 MB - HD : 40 GB - CD-RW / DVD - Gigabit Ethernet - WLAN : 802.11a/b/g - Win XP Pro - 15" TFT 1024 x 768 ( XGA )