Dell.com offers the Inspiron 530 Desktop: Intel Core 2 Quad Processor Q6600 (2.4GHz),24" LCD, 1GB, 250GB, CD / DVD Writer for $612 or $587
Specs:
- Intel Core 2 Quad Processor Q6600 (8MB L2 cache,2.4GHz,1066FSB)
- Genuine Windows Vista Home Basic
- 1GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs
- Dell USB Keyboard and Dell Optical USB Mouse
- 24 inch E248WFP Entry Widescreen Digital Flat Panel Monitor
- Integrated Intel Graphics Media Accelerator 3100
- 250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache
- Integrated 10/100 Ethernet
- 56K PCI Data Fax Modem
- 16X DVD+/-RW Drive
- Integrated 7.1 Channel Audio
- 1Yr In-Home Service, Parts + Labor, 24x7 Phone Support
How to get it:
1. Click here and request your 10% off coupon
2. Than Click Here
3. Choose the following options:
   3.1 Intel Core 2 Quad Processor Q6600 (8MB L2 cache,2.4GHz,1066FSB) [add $230]
   3.2 24 inch E248WFP Entry Widescreen Digital Flat Panel Monitor [add $440]
   3.3 Dell USB Keyboard and Dell Optical USB Mouse [subtract $10] (not applicable with XP Home)
   3.4 No Floppy Drive Included [subtract $20] (not applicable with XP Home)
4. At Checkout, apply the 10% coupon and $325 off $999+ coupon code 1M?S6GFS$XSM90
5. Checkout: Total will be $1019 - $325 coupon - 10% coupon - auto 2% discount in cart = $612 or $587 if paid with DPA ($638 and $613 respectively for Windows XP Home configuration)

Dell Vostro 400 Intel Core 2 Duo 2.33GHz Mini Desktop PC + 20" LCD - $674

Dell Vostro 400 Core 2 Duo 2.33GHz Mini Desktop PC bundled with the Dell E207WFP 20" Widescreen LCD Monitor for $749. (Search for "brdw4bp" to find it.) Apply coupon code "707VR8CPM50QCJ" to slash it to $674.10. With free shipping, it's the lowest total price we could find for this configuration. Sales tax is added where applicable. Features include an Intel Core 2 Duo E6550 2.33GHz dual-core processor, 2GB RAM, 250GB hard drive, DVD burner, NVIDIA GeForce 8300GS 128MB video card, and Windows XP Home or Windows Vista Home Basic

$400 web-only coupon for a CTO HP Pavilion Desktop PC configured at $999 or greater. Coupon code DT4115. Ends 10/9

HP Debranded Celeron D 3.3GHz 512MB 120GB DVD±RW LS System - $199.99

Dell.com offers the Inspiron 530 Desktop with Core 2 Quad CPU, 2GB, 320GB, DVD Burner + 22-inch LCD Monitor for $699 with Free Shipping
Coupon Code: GK0PFMHHW8TDBV
To Start:
1. Click here
2. Select 2.4GHz Core 2 Quad Processor [+ $90]
3. Select 22-inch Widescreen Flat Panel Monitor [+ $150]
4. Select 2GB Dual Channel DDR2 Memory [+ $100]
5. Select 320GB S-ATA Hard Drive [+ $50]
6. Select Dell USB Keyboard + Premium Optical Mouse [+ $10]
7. Enter Coupon: GK0PFMHHW8TDBV