If the graphics quality is your main concern, you'd need to shop around for what current gen graphics card you can get and include a new power supply if necessary. You'd want either an AMD based 300 series or a nVidia based GTX-900 series card.
If the graphics quality is your main concern, you'd need to shop around for what current gen graphics card you can get and include a new power supply if necessary. You'd want either an AMD based 300 series or a nVidia based GTX-900 series card.