Best enclosed emitter pistol dot?

I have a Holosun EPSc on my carry gun and really like it but I'm feeling frisky and want something different and not Chinese made. It would go on a Glock 34 that I would start competing with. I'm leaning towards the Steiner MPS although it's battery life is a huge drawback. I value durability above all. Anyone have any input on the MPS or other closed emitters they like?