I have a used PC for sale. My friend used it before he went abroad.
Since, it is without HDD I don't know the actual config but here is what I know:
Processor: AMD Athlon X2
Motherboard: Don't know
RAM: 1GB OCZ x 2
PSU: Thermaltake 400W
DVD-ROM: Samsung SuperPlus
If anybody is interested then PM me with a price.