I haven't played any games but I've watched plenty of DVDs and videos and it's fine.
Provided the LCD has a reaction time of 25ms or faster. Fuji has a nice one with 18ms?
Dell UltraSharp 1900FP19"

Planar 19" 191M
also make sure the contrast ratio is 300:1 or higher. Both of the above are 450:1 or 500:1 and 25ms reaction time.