Mo Huntin is exactly right.I have used the wind floaters.Powder only tells you what is happening a few feet out.That may be all you need in open country.
In the woods,the wind swirls,twists,turns and sometimes reverses itself.You can't see that.
I had the same experience as Mo Huntin.I was sitting in a tree stand and the wind turned the wrong direction.I let go a floater.It went out several feet,reversed itself and landed near the base of my tree.
I was watching a spring 50' away and none of the floaters came close to reaching it.Powder would have told me to get ot of the tree.The floaters let me know I was OK.
I do find that floaters work better off the ground as they have a chance to go farther and give you the complete story.On the ground,they may go a few feet out,then hit the ground.I think on the ground,powder or floaters are sometimes equal.