If you do this, you have to be very aware of when your gut will let you down, namely when "all available information" does not constitute much information at all. It's very easy for your gut to give you a false sense of expertise when you really don't know much about the topic at all. If this is your situation, you really need to do more research to "prime" your gut into reacting based on a more complete set of information.

Blink described this as the "Warren G. Harding" paradox, where many people voted for him because he seemed tall, confident, and commanding, while he really was an idiot. A more modern version might be George W. Bush: half of America voted for him because their gut instinct said he was a friendly, down-to-earth guy who cared about the common man, but that's only because his PR people carefully crafted his public persona to give off that impression.