This is probably my favorite Poweramp theme. Though I can't really decide between this or Dark Metallic. You did an excellent job on both.
This one would be perfect if you incorporated the menu gradient from the recent update. If I'm not mistaken the idea of this theme is to give it the look of the Holo UI and I think the menu gradient would go a long way in achieving that goal.
Keep up the good work, all your skins look excellent.