sis630

I have PIII 866MHz pc with 1. 192mb sdram 2.20gb HDD 3. new sony FDD 4. Samsung combo 5. 15" monitor (dont know the make) 6. 56kbps internal modem 7. sis630 chipset mainboard I want to sell this pld pc what ammount i can expect for this. Please suggest, so that i get as much i can...