I mean, what's not to love:

Hence, the SP9004 now in true operating form, optimized over the past several years. Pure oxygen and propane fueled, laser sighted, bolt action, electrically controlled....This is one awesome piece of launching ordinance! It shoots spuds quite fast and is VERY cool looking.

Yes, spuds. This, friends, is no ordinary cannon, but a super-powered potato cannon. If that doesn't make your toes tingle, you're just not paying attention.