what is the difference between these 2 monitors? http://www.newegg.com/Product/Product.aspx?Item=9SIA2F83426214&cm_re=acer_24_inch_monitor-_-24-009-642-_-Product and this one http://www.newegg.com/Product/Product.aspx?Item=N82E16824009910&cm_re=acer_24_inch_monitor-_-24-009-910-_-Product also which one would be better for gaming?