When you run more than one application at the same time, especially with more than one application, you may find that the system responds to your keyboard characters much slower than usual. This may include reveal that a few seconds pass from the moment the key is pressed to the character display. How to remedy this, even on newer and faster machines
I want Tweak: "KeyBoostTime="
Note that in Windows 7, the keyboard setting in the Control Panel does not increase the speed even faster!
These are not rare cases, there are tens of thousands of cases among users and I can't find the perfect solution in Windows 7