I have used Ido for a while with out reading the docs. There often
comes a time when I want to create a file with a name that matches
another file in the current directory.

The magic command is Ctrl-j

That will make a new file from the name you have just typed.

Now I am off to read the rest of the docs.

http://www.emacswiki.org/emacs/InteractivelyDoThings#toc2