Though we've already seen HP's 23-inch 2311xi IPS LED backlit monitor -- the first of its consumer monitors to feature in-plane switching technology -- it's getting a second turn in the spotlight today as the company fleshes out its new line-up of displays. Accompanying the 2311x is the 20-inch 2011xi IPS LED backlit monitor, which for $170 offers 178-degree viewing angles and a 1900 x 600 resolution. Both versions will start shipping in the US on June 24th. HP is also updating its selection of LED-backlit LCD monitors. The 20-inch W2071d and 23-inch W23