Do you get to use powerpoint at all?

I did something like this and was allowed to use a powerpoint presentation as part of it, worked better than notes on paper would.
I think notecards would be better. You'd look like a dam foo' if you'd mess up.
Ibanez Prestige RG1570
Schecter Omen 6
ESP LTD Viper 400
Dean Dime From Hell

Peavey 5150
Why would anyone care if you had some notecards?

Seriously, a good presentation with notecards is infinitely superior to a sh*t presentation without.
DO NOT MEMORIZE YOUR PRESENTATION! Go through your presentation by remembering the structure of your presentation and the message and info you're trying to deliver. Basically just know what you are talking about and use some note cards just to make sure you don't forget any aspects. I've done several such presentations and it has worked perfectly every time.

edit: when I say don't memorize, I mean don't memorize it word for word.