What is this desktop computer worth to sell, if anything?

Case from 2003 which I had the innards of upgraded in 2008:

Copy and pastes from Belarc Advisor:

Windows XP Professional Service Pack 3

Board: Gigabyte Technology Co., Ltd. G31M-S2L
Bus Clock: 200 megahertz

1.80 gigahertz Intel Pentium Dual
64 kilobyte primary memory cache
1024 kilobyte secondary memory cache
64-bit ready
Multi-core (2 total)

160.03 Gigabytes Usable Hard Drive Capacity (SATA)
WDC WD1600AAJS-08PSA0 [Hard drive] (160.04 GB) -- drive 0, s/n WD-WMAP9C640169, rev 05.06H05, SMART Status: Healthy

CDWRITER IDE5224 [Optical drive]
PIONEER DVD-RW DVR-108 [Optical drive]
3.5" format removeable media [Floppy drive]

3072 Megabytes Usable Installed Memory
Slot 'A0' has 2048 MB
Slot 'A1' has 2048 MB

NVIDIA GeForce 7300 GS [Display adapter]

1394 Net Adapter (3 ports)
Realtek RTL8168/8111 PCI-E Gigabit Ethernet NIC