Ever noticed the half-second or so delay between the instant you move the mouse over a menu item and the moment the menu is opened? By default, Vista waits 400 milliseconds (just under a half-second) before opening menus, but if you eliminate the delay, menus will open instantaneously, and your PC will feel a little more alert.
One of the most common annoyances with Windows Explorer is, well, annoying, because it should've been so simple for Microsoft to get it right. How many times have you selected the Details view in Explorer, only to find that it has reverted to the Large Icons view the next time you open the folder?
Windows Vista animates almost every visual component that makes up its sparkling new interface. While these affectations may be cute, they create two performance problems. For one, they slow down the motion, causing windows, menus, and listboxes to take longer to open and close, all of which makes your PC feel sluggish. Second, they consume CPU cycles that would otherwise be used to handle processor-intensive tasks like virtual memory and gameplay.
When you select Tools > Folder Option in an Explorer window. The View tab contains settings that affect how much information Explorer shows you, arranged in alphabetical order.