Here is what I ordered (except Network card, which seems to be required now, same price though.) on the previous deal, it is all the same price from when the big rush hit. Though I don't think there is 10% off coupon around now as it expired a while ago:
Dimension? 4500, Pentium® 4 Processor at 2.0GHz w/ 512K L2 Cache 128MB DDR SDRAM
Dell® Quietkey® Keyboard
No Monitor
New 64MB DDR NVIDIA GeForce4? MX Graphics Card with TV-Out
40GB Ultra ATA/100 Hard Drive
3.5 in Floppy Drive
Microsoft® Windows® XP Home Edition
MS IntelliMouse®
10/100 PCI Fast Ethernet NIC
No Modem Requested
48x Max CD-ROM Drive
Integrated Audio
No Speaker Option
Microsoft® Works Suite 2002 w/Money Standard
Norton AntiVirus? 2002, 90-day introductory offer
Dell Jukebox powered by MusicMatch
Dell Picture Studio, Image Expert Standard
1 Year Limited Warranty plus 1 Year On-site Service
6 Months AOL,Featuring the Netbusiness Service for Small Business
$100 Mail In Rebate (Free Memory Upgrade Offer not available)
Price $629 after $50 instant rebate, before $100 mailin rebate.
EDIT: I didn't have to add a monitor when I just setup this system on Dell's site under Small Biz Division.