If long-suffering Dunkin' Donuts franchise owner Fred the Baker had decided to get an office job, chances are his early morning grumble would have been "Time to make the PowerPoint." Doing decks is part of every organization, from the military to not-for-profits to businesses of all sizes; even if you make the chore easier with Keynote, it's still a chore.
Creating something that doesn't look like every other presentation is possible, but if you aren't gifted with design acumen it might not turn out like you hope. PowerPoi