EMC is downright cool, but opportunity costs (lost production, cost of the engines, loss of money for other advertising, etc) have to be very high for the smaller shops.
Unless of course the company needs a write off.
How can you get your heads on Hot Rod Powerblock? Seems that would reach nationally, if not globally, and maybe even get a 30 second blurb of a dyno run in there too to entice the viewers.
Those TV shows are goofy, but could have more bang for the buck than the regional stuff.