Tight budget here..

Base system

Dell Precision Workstation 380: Intel Pentium 4 at 3.0GHz, 2MB L2 Cache, 512MB SDRAM, 80GB Hard Drive

This system is 'Certified Refurbished' by Dell. For further details, please visit Dell site.
The system was never used, the box was only opened to verify its contents.
Processor: Intel Pentium 4 Processor 630, 3.0GHz, 2MB L2 Cache, 800MHz **
** processor includes support for Hyper-Threading (HT)
Memory: 512MB DDR2 ECC SDRAM 667MHz (2 DIMMs)
Hard Drive: 80GB 7200RPM SATA Hard Drive
CDROM: 48X/32X CD-RW Drive
Warranty: 3yr. Dell BRONZE Support (Next Business Day Onsite Parts and Labor, until February 2009)
This is a fully transferable Dell Warranty. This server is 'Certified Refurbished' by Dell. For further details, please visit Dell site.
Operating System: Windows® XP Professional
Graphics: 64MB PCIe x16 nVidia Quadro NVS 285, Dual Monitor VGA Capable
Additional Info: 1394 Controller Card ,1.44MB Floppy Drive, USB 2-button Mouse, Keyboard, Operating System Software CD
System ships in original Dell Box

Upgrades

G.SKILL 1GB (2 x 512MB) 240-Pin DDR2 SDRAM Unbuffered DDR2
Creative Sound Blaster Audigy2 ZS SB0350 7.1 Channels 24-bit 192KHz PCI
XFX PVT42EUDE3 6800 XTreme 256MB 256-bit GDDR3 PCI Express x16
transferring Sony Dual layer 16x DVD-/+RW from old system.