Some pros and cons...
Hand beams: you point your hands down at the ground and fire maximum burst to get super-jump and flight powers.
Eye beams: you point your eyes at the ground and fire maximum burst and you blow your feet off and get whiplash.
Hand beams: you can give people you don't like super-hot handshakes and they don't know wtf is going on.
Eye beams: let out a carefully timed burst to give your headbutt that extra boost during a fight.
Hand beams: when being shot at by an armed gang, duck behind a wall and safely fire back while staying behind cover.
Eye beams: when being shot at by an armed gang, duck behind a wall and stay there, because if you try shooting back you'll get shot in the head.
Hand beams: during a fight at night in the dark, move your arms around and use just one fist at a time to confuse your enemy as to exactly where you are.
Eye beams: during a fight at night in the dark, fire your eyebeams to let the enemy know exactly where to shoot to take the headshot.
Hand beams: you fire up your glowing hands and can pick up hot frypans with your bare hands.
Hand beams: you walk around with your coffee mug in your hand keeping it nice and warm, while the eye-beam guy's coffee gets cold unless he keeps staring at it.
Hand beams: during winter you make roasted almonds and popcorn in your hands.
Eye beams: you try to make roasted almonds and popcorn in your hands but you just burn your hands.
Eye beams: you are blasting something with your eye-beams when a friend walks up and says "hello". Instinctively you turn around to answer and blow their head clean off. You are arrested and charged with manslaughter.