Using LCD TV as computer monitor?

To what extent an LCD TV doubles as a computer screen using the VGA cable on a computer's VGA port on LCD TV? Will size matter in its quaility? Models there is more to this than others?

They should look the same, because this is not the TV or monitor that determines the image quality is THE SIGNAL …. Both are very capable of handling any signal thrown at him.

Xbox 360 VGA monitor hack! air flow cooler, only $10!