I got compliments from my two fellow hikers on my 111T, with silent burner. This morning, I had the little 71 going, almost as noisey as a XGK or similar. Got quiet when I shut it off. I like to be able to hear, I may only bring my recently acquired XGK's when solo. I like the alcohol for priming as it burns nice and clean, no soot. I need to find a better way to fill the priming cup/depression, my eye dropper takes too many refills to fill the priming cup up. This morning I used the small funnel to fill the Optimus.