Dell E Series E5400 with 14.1" LCD & Core 2 Duo 2.26GHz for $632.45 shipped after coupon code B573ZBX7746QM6.  Plus, receive a Eport Docking Station for free. Here is a screenshot for your reference.  This laptop features an Intel Core 2 Duo Processor P8600 at 2.4GHz, 15.4" widescreen LCD at 1280 x 800 resolution, 3GB RAM, 250GB hard drive, wireless 802.11a/g/n, DVD burner, Windows Vista Home, and more.

1. Select the system to start customizing as shown in this screenshot.
2. Select 3GB, DDR2-800 SDRAM for $35
3. Select Touchpad and Trackstick dual pointing for $9
4. Select 250GB Hard Drive, 5400RPM for $15
5. Select Dell Wireless 1510 802.11a/g/n draft Mini Card for $15
6. Apply coupon code B573ZBX7746QM6 and the total comes to $632.45 shipped.

Note that the coupon code is to save 35% on Latitude E5400 and E5500 laptops priced $1099 or more.  You may want to adjust the system to suit your needs.