Usually the Home section is cheaper than office because of all the discounts. Did you pick the configuration that was 35 % off? I actually think you can do better check this out just built it.
E1505 Dual Core
Date & Time: July 18,2006 10:00 PM CST
E1505 Dual Core Qty 1
Intel® Core™ Duo processor T2400 (2MB Cache/1.83GHz/667MHz FSB), Genuine Windows® XP Media Center Edition 2005 Unit Price ...