Acer on Friday extended its High Definition Series LCDs by one model and added the H235H. The 23-inch display is smaller than the older H243H but improves on its image quality: it has the same 1080p resolution but more than doubles the dynamic contrast ratio to 100,000:1 while preserving a 300cd/m2 brightness. Accordingly, it doubles as an HDTV-friendly monitor with stereo speakers and an HDMI i
