Thank you, all. I believe I would like the HDS Rotary.
I wasn't sure if HDS' premium price was more for fit and finish, or more for reliability.
The challenge is identifying what characteristics/qualities each brand brings to the market, and what price points generally get you.
HDS is the upper-end of my price point.
I have Malkoff, Elzetta and Peak now, and am learning about other names such as Sky Lumen that is in your signatures...HDS, too.
I'm not much into aesthetics or picky over LED shade, just reliability.
What I have now certainly meets my needs, I'm just wanting to expand my options and see what makes other brands, awesome, as well.