I want to know too. Surprised with all the push to LCD's these days that we don't see more reviews of them on Gamer's sites. I brought an 18" LCD home from work the other day to play with, and while the picture is gorgeous for apps and such, it wasn't worth a darn for Quake or other fast games. Sigh.
Viewsonic has a new (?) 17 inch they claim has 3x faster response, but they don't say how fast that response is in the specs. The one I had was supposedly 50ms response time.