Processor:
AMD Athlon 64 4000+
AMD Opteron 250  (+ $250)
AMD Athlon 64 FX55  (+ $400)

Memory:
512MB PC4200 DDR2
1GB PC4200 DDR2  (+ $100)
2GB PC4200 DDR2  (+ $270)

Hard Drive:
Dual Maxtor 40GB SATA 7200RPM Raid0
Dual Maxtor 80GB SATA 7200RPM Raid0  (+ $10)
Dual Maxtor 120GB 7200RPM Raid0  (+ $70)

Removable Storage:
None
1.44MB Floppy Drive  (+ $10)

CD/DVD:
52X CDROM  (- $45)
16X DVDROM  (- $25)
52X CDRW  (- $25)
52X CDRW/DVD Combo  (- $25)
52X CDROM + 52X CDRW  (- $10)
52X CDROM + 52CDRW/DVD Combo
16X DVDROM + 52X CDRW
16X CD/DVD Burner
16X DVDROM + 16X CD/DVD Burner  (+ $35)

Operating System:
None (- $150)
Windows XP Home  (- $55)
Windows XP Media Center 2005  (- $10)
Windows XP Pro

Application Software:
Antivirus Software:
None  (- $40)
Norton's Antivirus 2005
McAfee Virusscan 9.0 2005 (+ $10)

Office Suite:
None
Microsoft Works 7.0  (+ $60)
Microsoft Office Basic (+ $180)
Microsoft Office Small Business (+ $200)

Monitor:
19" Conventional CRT
17" Flat Panel LCD (+ $10)
19" Flat Panel LCD (+ $90)
22" Conventional CRT (+ $465)
20" Flat Panel LCD (+ $575)
24" Flat Panel LCD (+ $1700)
42" Pioneer 16:9 Plasma Monitor (+ $2150)

Keyboard:
None

Pointing Device:
None

Sound Card:
None

Video Card:
ATI Radeon X600PRO 256MB
ATI Radeon X800PRO 256MB  (+ $135)
ATI Radeon X850PRO 256MB  (+ $265)
nVidia Geforce 6800GT 256MB  (+ $325)
nVidia Geforce 6800Ultra 256MB  (+ $455)
nVidia Geforce 6800Ultra 512MB  (+ $815)
Dual nVidia Geforce 6800Ultra 256MB SLI  (+ $1125)
Dual nVidia Geforce 6800Ultra 512MB SLI  (+ $1875)

Speakers:
None  (- $75)
Altec Lansing 2pc  (- $55)
Altec Lansing 3pc  (- $35)
Logitech X-530
JBL Creature 2.1  (+ $15)