DELL DIMENSION E521DESKTOP PC DUAL CORE WITH WINDOWS VISTA 250GB HARD DRIVE ?

I HAVE HERE A DELL DIMENSION E521 DUAL CORE DESKTOP PC THIS PC IS IN GREAT CONDITON AND CAN BE SEEN WORKING FINE HERES THE SPEC HAS WINDOWS VISTA INSTALLED WITH ITS COA ATTACHED AMD 64 X2 DUAL CORE PROCESSOR 1.90GHZ X 2 AT 3600+ 250GB SATA HARD DRIVE 1GB OF DDR MEMORY DVD WRITER DRIVE HIGH DEFINITION SOUNDCARD COMES WITH A USB DELL KEYBOARD AND A DELL MOUSE IF YOU ARE INTRESTED CALL 07706475206 A AM NOT OPEN TO OFFERS AND A DONT DO LAST PRICES CASH ON COLLECTION ONLY THANKS MICHAEL