In a capitalistic enviornment you sell it for as much as you can (shame on the buyer for not doing their job and price shopping). Then again I would laugh in your face if you gave me a price like that when I can get a Polywell 900VF system with the following for $2853.00
Motherboard

oly 900VF Athlon64 MB w/1394,SATA-RAID,LAN,5.1A; Processor:AMD Athlon64 Processor 3400 (64bit-2.2GHz), 1M C; Memory: 2x DDR 400MHz 512MB PC3200 Memory Unbuffered; Chassis

latinum 10Bay Aluminum MidTower w/420W Quiet PS; HardDrive:WD 200GB Ultra-100 IDE 7200RPM HD 8MB Cache; Additional HD: 2x WD SATA 36G 10K RPM Hard Drive 8M Cache; Floppy Drive:Silver 1.44MB Floppy Drive; Disk Controller:********* N O N E ***************; Drive Kit:********* N O N E ***************; I/O Device or Interf

n-board 1394 Firewire Ports; Keyboard:Wireless Keyboard+Mouse (Silver PS2); Mice:********* N O N E ***************; CD/DVD:********* N O N E ***************; CDRW:52x32x52 EIDE Rewriteable CDRW Drive W/SW; DVD-R Rewriteable:Sony DVD+RW/-R DVD-RW/-R 4.7G CDRW OEM; Audio Sound:Sound Blaster Audigy2 6.1 Sound Card; Speaker:Creative Inspire T7700 7.1 Speaker W/Subwoofer; Video Editing (DV):********* N O N E ***************; Graphics:ATI Radeon 9800XT 8x 256mb DVI/Svideo/15Dshell; Video Camera:********* N O N E ***************; Monitor:********* N O N E ***************; Modem:Lucent 56K PCI V.92 Fax/Modem; Network Adapter

n-Board 10/100Mbit Ethernet; Backup Device:********* N O N E ***************; Optional Software:*MS Office XP for Small Business Edition; Operating System:Windows XP Professional CD+License; Optional Support:1Yr IAI 24hr ThirdParty Tel Support; Custom Assemby:User Manual, Assembly, Packaging
EDIT: the smiley faces where not put there on purpose, they just happened to show up form the copied text.