My battery life is a tad better. I would say maybe a 10% improvement in standby times? It still drops with screen-on time but its absolutely lasting longer when idle. Things are definitely snappier all around but they are still occasional lags and hiccups but again, a big improvement over Lollipop.
I just ordered a new spare battery so it will be interesting to see how badly my original battery was trashed by 5.0.2.
When I get back from some traveling I will definitely do a hard reset and see if that helps. It certainly can't hurt!