Ok, I tired.
Same annoying problem here, details:2f63a83968f9586fe4fb48134253619c 23 0 6.35 Vista
(it's win7 x32 actually)
Also, additional details:http://img233.imageshack.us/i/details.png/
Just clean install, it is not
modified copy. UTF-8 encoding&decoding (per channel settings) disabled, only UTF-8 display enabled.
Btw, I noticed that when lagging starts such interesting thing happens:http://img233.imageshack.us/my.php?image=graph.png
If I will quickly change window to text editor - everything fine, no lagging when typing...
P.S. Under Vista it worked fine with the same set of scripts. Also, I don't have script which monitors on INPUT events or editbox state.