same issue solved - needed smaller than normal gaming mouse , found steelseries kana
only problem is that this one is symmetric, one side button on right, fortunately easy to push
I was looking for dimensions <115 mm <65mm width and most important height below 40/38mm , with 2 thumbs buttons...
120Hz monitor usually shows very high input lag, do not know why, but in tests I have seen so far input lag on 3D 120hz monitors was extreme high like 40-60ms etc ...
AG - the same as zr30 - I got no problem with it. But my last 4 monitors were IPS, so ....
I think only option for IPS without AG filter is Apple cinema display ....
http://youtu.be/Az0BPJKc2C0
as for response time - same as zr30 - my perception
picture quality - same as zr30, with slightly more contrast and brightness
generally - very satisified, zr30 sold:D