You can't vista won't remember your settings every time you disconnect then reconnect it thinks it is a different monitor. If it was Nvidia or ATI their drivers and software would save the setting for you. Microsoft has fix this in windows 7.
If you haven't already, visit Dell's support site and download and install the latest available video drivers for the 640m. That might fix the problem if this happens to be a bug in Intel's driver.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.