Dell XPS 710 Red Mac Pro   Dell Dimesion E520 iMac 24in   Dell Dimesion E520 Mac Mini
Operating System XP MCE 2005 (upgrade to Vista Home Premium) OS X   FREE Upgrade to Genuine Windows Vista™ Home Premium w/1GB memory OS X   FREE Upgrade to Genuine Windows Vista™ Home Premium w/1GB memory OS X
Processor Intel® Core™2 Extreme QX6700 (8MB L2 Cache,2.66GHz,1066 FSB) Two 3.0GHz Dual-Core Intel Xeon (Woodcrest)   Intel ® Core™2 Duo Processor E6400 (2.13GHz, 1066 FSB) 2.16GHz Intel Core 2 Duo   Intel® Core™2 Duo Processor E6300 (1.86GHz, 1066 FSB) 1.83GHz Intel Core Duo
Memory 4GB Dual Channel DDR2 SDRAM at 667MHz (4x1GB) 4GB (4x1GB) 667MHz DDR2   2GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs 2GB 667MHz DDR2-SDRAM (PC2-5300) (2x1GB)   1GB Dual Channel DDR2 SDRAM at 667MHz- 2DIMMs 1GB 667 DDR2 SDRAM - 2x512
Harddrive 250GB Serial ATA 3Gb/s Hard Drive (7200RPM) w/DataBurst Cache 250GB 7200-rpm Serial ATA 3Gb/s   250GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache 250GB Serial ATA Drive   80GB Serial ATA Hard Drive (7200RPM) w/DataBurst Cache 80GB Serial ATA drive
Optical Drive Single Drive: 16X CD/DVD burner (DVD+/-RW) w/dl write capability One 16x SuperDrive   16x DVD+/-RW Drive SuperDrive 8X (DVD+R DL/DVD±RW/CD-RW)   16x DVD+/-RW Drive SuperDrive 8x (DVD+R DL/DVD±RW/CD-RW)
Video Card 256MB nVidia GeForce 7900 GS NVIDIA GeForce 7300 GT 256MB (single-link DVI/dual-link DVI)   256MB ATI Radeon X1300 Pro NVIDIA GeForce 7600 GT 256MB SDRAM   Intel® Graphics Media Accelerator X3000 Intel GMA 950 graphics
Sound Card Sound Blaster® X-Fi™ XtremeMusic (D) Sound Card Does not say (My guess is built-in)   Integrated 7.1 Channel Audio Does not say (My guess is built-in)   Integrated 7.1 Channel Audio Does Not Say
       
Monitor None None   24 inch UltraSharp™ 2407WFP Widescreen Digital Flat Panel 24-inch widescreen LCD   None None
Speakers None Does not say (My guess is built-in)   None Does not say (My guess is built-in)   None None
TV Tuners ATI Theater 650 PRO Combo Analog/Digital TV Tuner with Remote Control None   ATI Theater 650 PRO Combo Analog/Digital TV Tuner with Remote Control None   None None
Keyboard/Mouse Standard Standard   Standard Standard   Standard Standard
Extra       56K PCI Data Fax Modem AirPort Extreme, Bluetooth 2.0 + EDR   56K PCI Data Fax Modem  
       
Customer Care 1 Year Limited Warranty and At-Home Service None   1 Year Limited Warranty and At-Home Service None   1 Year Limited Warranty and At-Home Service None
       
Price $3,289 $4,397   $1,909 $2,299   $759 $874
Key:   $1,789 (sale) $639 (sale)
For this experiment, I went with most things that came standard, except some hardware. In some cases, if it was possible to get rid of an option such as customer care I would do so just to get an idea of how both companies price their systems. I never let the customization process get to the shipping, sales tax, etc. window.
Yellow Highlight - Upgrade from base option Gray Highlight - Degrade from base option
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