I used to be a big Lowes fan when I worked as the manager of our community in Florida. Since we were a regular customer and bought a fair amount every month, the Pro Services desk treated me like a king. The ladies there would move Earth and sky to help us out. After moving to Indiana I am just a schlepper now, and I find myself using Menards more - but still not exclusively.
One thing for sure is that Weber is steadily losing floor space at Lowes, Home Depot and maybe even Ace. I know things are more online these days, but I have to believe that this still very much hurts them. They are really in a tough spot. Low price competition fills the floors (and front parking lots) of the big box stores and then companies like Napoleon are taking them on in the upper middle market. They have given the Summit such a bad rep that I don't see Weber ever being taken seriously in the high-end market.
All that said, I am still a Weber guy and personally would buy a Weber over a Napoleon just because. I cooked on a gorgeous built-in Napoleon in February. I would have needed more time to master it, but it was certainly a very fine grill.
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Weber doesn't have anything in that one's league, but for more moderate sized grills, I would still take a Genesis - even with all its deficiencies we have bantered about quite a bit here. The new style has grown on me, so I wouldn't mind having an Ace indigo one

! But not if I had to give up my 1998 Weber Summit!