ViewSonic Corp. on Wednesday announced its Xtreme line of LCD monitors, which deliver 4 ms (millisecond) video response time across the entire color scale, with support for 1280 x 1024 native resolution. They're available in 19-inch and 17-inch versions, both of which include the company's Dynamic Structure and Amplified Impulse technologies, which ViewSonic said supports video as fast as 250 frames per second across the color scale. The 19-inch model will ship in May while the 17-inch model will ship in June. ViewSonic did not provide pricing.