Vista - Uncheck "always use the selected program to open this kind of file" by default

If I right click on a file there is usually the option to"Open with..".
Selecting this option list possible programs with which to open the
application and, below this, there is a check box labelled "always use the
selected program to open this kind of file". The check box is always
checked, so clicking on OK permanently associates the selected program with
the file type in question.

However, I usually use this option to open a file in an application that I
would not normally use for that type of file (e.g. Notepad to examine a
non-text file). I do not want to associate the application with that type
of file. Unfortunately it is very easy to accidentally click on OK without
deselecting the check box.

Searching with Google I have found assorted ways of disabling the checkbox
altogether (so that it is greyed out or missing). However, ideally I would
like to leave the option there, but simply default to the check box being
deselected.

That way I have to take a positive action to associate the file with the
selected application rather than vice versa.

Is this possible?