The best ones are the ones you always packI use black diamonds and have good luck with...broken a few but if you abuse something long enough they break
Komperdel has a 3 year no questions asked warranty. Picked up a pair on steep and cheap and put tons of miles on them over the last few years. Snapped one in the snow between two trees. Just shipped it to them and they replaced the sections that broke for free. Well worth the little extra money for them!
I am using the Leki Corklights. This year is my first time using them. I use them last weekend on a scouting trip and really like them. I like the way the cork feels better than the plastic handles.