Well the old style wouldnt look that good but I was thinking more along the lines of a heat extractor style, functioning of course. I dont like what's out on the market for hoods that do this and something that would show heat leaving the engine compartment on a cold day would look cool. All I can really find is these hoods:
http://www.carbon-fiber-hoods.com/index1.html, the CL would look better with vents tucked more towards the cowl maybe with an angle to them. Would be a good spot to do flames if you're into that too. Basically just something closer to the headers.