Dell optiplex 755,SUPPER FAST CORE2DUO, 8GB RAM, 160GB HDD ?

I have for sale a Dell optiplex 755, which works perfectly and is in great condition. I have installed windows 7 and Microsoft office. Spec 160GB HDD 8GB RAM Core2Duo, 2.66 x2 (5.3GHz) ATI graphics 19-in-1 memory card reader (reads all memory cards) I can give 17" monitor for an extra 30. If you have any questions just ask. I will accept reasonable offers. Thanks for viewing.