I've tried many chains over the years. Sachs/Sedis were my favourites. But more recent crop of chains Dura Ace are hard to beat (but ditch the joining pin and get a connecting link).
(Once had a SRAM hollow pin chain, paid silly money for it - why? Awful piece of junk. Deformed really quickly, guess it was just too light. Put me off SRAM for life. But I'm sure they make some good chainsy