I use Giro Monaco. I suffered with a case of urnal nerve irritation so bad I couldn't move my pinky finger for a week. I'm curious as to what type of bike you are riding. Is it a MTB, Hybrid or Road bike? With a road bike you have more hand positions. I was riding a hybrid at the time and switching to Carbon Fiber bars (Cheap one) seem to help along with gloves with the channel for the nerve. Also bar ends give you more options to move your hands around.
If you have a road bike and you don't ride in the drops a lot CF won't help as much. If you ride with your hands on the top bar your hands are so close to the stem and the CF doesn't have a chance to flex thus reducing vibration. When I ride my bike I spend a lot of time with the web of my thumb and fore finger on the back of the Shifter/Brake lever, I have two bikes one with alloy and the other CF K-Wing compact flat tops and I can't tell the difference other than I love the Aero-Ergo flattop. I don't tend to grip as tight with those.
Oh! What everyone else said about weight distribution, Ditto.
Good Luck