Dvr Board What's This Computer Worth?

What's this computer worth? - dvr board

It gave me the opportunity to buy my old team and I am the test because it takes some time to configure a new system with the development software I use. What do you think it's worth?

AMD Athlon 64 X2 Dual
Core processor 4200 +
2.21 GHz, 2.00 GB RAM
Physical Address Extension

Mini-Case
NVIDIA GeForce 7300 GT video board
Pioneer DVD-RW DVR-111D 16x DVDR
Western Digital Caviar SE16 WD2500KS 250 GB 7200 RPM HDD
2 built-in flash / memory drives Intelligent

Windows XP