The winter MC gloves I've tried are too thick/stiff and my hands get tired. I've used ski gloves, but am concerned that they offer minimal abrasion protection.
I put some muffs on my R75/6 and the help a lot, but the faster speeds traveled caused me to acquire some Gerbing G3 gloves. I chose Gerbing because they were on sale and I already had a Gerbing vest and they play well together. I only bought the gloves this spring, so I do not have long term experience, but it sure feels nice to crank temp controller and feel the warmth.