Customize the $648 Dimension 2350 System. Do not select double memory, but do select Free 15" E151FP LCD Flat Panel Display. Total is $648 - $150 rebate = $498 with free shipping.

Pentium-4 2.2GHz, 128MB DDR, Dell Keyboard, Dell Optical Mouse

40GB Drive, 48x CDROM, 48x CDRW or 16x DVD, 15" E151FP LCD, XP Home

Integrated Audio/Video, ADA215 Speakers, 10/100 + 56k, Free ISP