A PCPro article points out that Dell has a buyer's advice page that is extremely misleading, showing that a cheaper video card makes a monitor show a very blurry picture. The page has both US and UK versions:
http://content.dell.com/us/en/business/d/help-me-choose/hmc-graphics-optiplex
http://content.dell.com/uk/en/business/d/help-me-choose/hmc-graphics-optiplex
Gee, thanks Dell.
http://content.dell.com/us/en/business/d/help-me-choose/hmc-graphics-optiplex
http://content.dell.com/uk/en/business/d/help-me-choose/hmc-graphics-optiplex
Gee, thanks Dell.