[@Architect] Its all a matter of personal preference, overt vs subtle. I prefer speed because I like physical manifestations of power, and who doesn't want to be the Flash from time to time? I certainly do when I'm late to work.

The power of senses are a lot more vague and can give him almost a sense of premonition gameplay wise- he can feel the vibrations of someone about to strike him, or detect the pheromones of someone who is about to react positively/negatively to him