Again, interesting.
I find the glitchy build up in the beginning to be a big improvement from your earlier work. It seems more dynamic. I'm not a huge fan of the kick (not heavy enough for my tastes, or driving, but it suffices pretty well and doesn't sound offensive, as a plus) .. The melody you added in the piano felt out of tune with the backing at times too, but was pretty refreshing considering that it built up. Overall, it's pretty relaxing, rather than having that heart-pounding energy that most drum-n-bass has. Anyway, nice work!