The Philips 220S4L has a maximum display resolution of 1680 x 1050 pixels. That's 15% less display resolution than the most frequently found display resolution of 1920 x 1080 pixels. The worst display resolution of all medium monitors that came out around the same time as the 220S4L is 1366 x 768 pixels and the best is 2560 x 1600 pixels.
Alternative PC screens that have a display resolution of 1680 x 1050 pixels currently available that you might also want to look at include cheaper PC screens such as the Fujitsu B22W-7, or the Asus VW22 ($122.99).
If you want an LCD screen with a more display resolution then you might also want to consider the Benq RL2455 ($146.99) (1920 x 1080) which is also higher rated.