I just discovered View>Guides move...!
I'm probably the last one to know, however I discovered by accident that the View Guides can be moved around, they do not have to be central vertical and horizontal.
Just grab the with your mouse, and drag and drop them to any location on the page - they even have little positional markers so that you can make Production Notes for yourself.
YEY - An easter egg feature in Storyline!
PS - Jeanette will probably now post the link to a 5-minute Screenr that she published a year ago explaining the wonders of this functionality, and how you can turn it into a really clever and fun interactive game....