I've got a review available of the Alpha with 4500K Neutral XM-L, with Cerakote laid down on top of the regular ENP finish. Beamshots, video, runtime graphs, and much more are all available in the review thread here. The review is currently about 3/4 complete.
If you're in a hurry, you can just watch the quick video summary:
If you're in a hurry, you can just watch the quick video summary: