Sry for late reply, been bussy...
Your list of gear sets is pretty much what I would get + add some spell resist one (sindy trink, ony ring, some shadow/frost enchs).
Some lucky resists on frost novas or dk dots (prevents self heal) can help you a lot. It reduces dmg taken from gargoyle as well while still providing nice stam bonus agains dk's melee portion of dmg.
Sindy trink vs Skeleton, I would say that if you are not boosting resistance in any other way and your gift of the wild has been spell stolen/dispelled/purged, then Skely key is better as it is guarantied absorb vs maybe resist.
On the other hand I can't imagine how would you use it offensively, but for Sindy trink it could be possible.
Berserker has not so good proc tbh, so personally I would get rid of it at that lvl of gear. Better to get Platinum Disc of Battle from WG where you can align the use effect with your opener/berserk.