Check this out
Antec® Super Lanboy Aluminum Super Mini Tower Case $114.99
AMD Athlon™ 64 - 2800 - 512K L2 Cache (Socket 754) Retail Box $199.99
Zalman CNPS7000A-Cu Heatsink & Fan $59.99
Asus® K8V-X, Socket 754, VIA K8T800 / VT8237 Chipsets w/ 8X AGP (ATX) $119.99
2 x 512MB DDR SDRAM Ram Module, PC3200 $229.98
160GB Maxtor DiamondMax® Plus 9 SATA -150 7200RPM 8Mb 9ms OEM $134.99
Panasonic 3½ in (1.44Mb) Floppy Disk Drive, Beige $9.99
Asus® v9520/VS GeForce™ - FX 5200 w/128Mb DDR & 8X AGP Retail Box $139.99
Rockwell 56K Voice/Fax/Modem (PCI) Win $14.99
SoundBlaster® Audigy™ ES $59.99
3COM® 10/100Mb PCI Network Card OEM $39.99
Mitsumi 104 Enhanced Softtouch Keyboard $19.99
Viewsonic® VG710b, 17in 1280x1024 Digital Active Matrix TFT LCD, Black $664.99
MS Windows® XP Home w/ CD & Manual (OEM) $134.99
Logitech® Blue Optical Mouse (Retail Box) w/ Wheel $24.99
Pioneer DVR-108 Dual Layer DVD+/-RW Drive (IDE) OEM, Beige $129.99
Enlight 420W ATX Power Supply $59.99
Arctic Silver Thermal Compound (3g Tube - multiple applications) $9.99
Microsoft® Works Suite 2004 (OEM) CD $114.99
Regular Price: $$2284.80
Best Price: $$2172.09
• 1GB DDR400 SDRAM - 2 DIMMs
• 160GB Serial ATA drive
• None - Bluetooth Module
• Keyboard and Mouse + Mac OS X - U.S. English
• 17-inch widescreen LCD
• 1.8GHz PowerPC G5
• SuperDrive (DVD-R/CD-RW)
• NVIDIA GeForce FX 5200 Ultra w/64MB video memory
Subtotal $2,454.00
Not to far off if you ask me. The PC does have some slight better stats and I chose the antech lanboy case as it's the smallest and as close to integration as I could get.
But let's not forget that the IMAC is an all in 1 unit.