I purchased a Lenova H320. I want to purchase a 20 inch (no larger) monitor to use. The newer 16:9 20 inch monitors all have a native resolution of 1600 x 900. The Lenova graphics system does not list this resolution. I plan to use the DVI connection. Literature says that monitors need to be used at their native res. or they may distort or blur the pix. So what can or should I do?