I recently got a new rig with a Geforce GTX 650 Ti it has 1 VGA port, a DVI-D port and a HDMI port. I have 2 monitors they are Hanns.G HL229DPB's they both have VGA ports, but 1 has a DVI-D port and one has a DVI-I port.
I got one monitor working with a VGA-VGA cable and it works perfectly, but...