If it's a presentation that's running in a single location you have full control of your environment, so how you create your redirecting doesn't really matter, as long as it works in the environment you'll be using it in. You can do <meta>-redirects or do some javascript.
Sounds like a nice way to do slide shows to me. You can even use Opera in fullscreen view to project it without showing the browser.
I'm not sure whether or not meta redirect works in body or not, just try it. If it doesn't work, create a pagelayout override for the slideshow section that just does the basic head things and leaves the rest of head as well as all of body to the node template:
