A:Answerif I'm reading this correctly, yes it will work great as long as your Sony device had HDMI output. though it may be more cost-effective to get a comparably sized television, as this monitor would likely be overkill for this application.
A:AnswerWell, this monitor will display the Frames per Second that your Dell Desktop has inside. If you have a Quad Core CPU and a decent video card you should be able to hit 60+ fps.