There is a difference in noise levels. More precise; tones. All brand new track beats the old & rusty because of how smooth they run on it. You should visit stores, clubs, or other O fan hotspots to listen and see for yourself.
I hear highs very well (21k) I don't like the tinny rollerbearing sound of plastic roadbed track. I don't think most even hear what I do.(similarly, hi fi Alpine radios have an awful squeel; a long high pitched beep that never ends)
The cost of Menards track makes it my present choice. I was very pleased (an early run had some bad centerail isolation, no recent complaints though) it was on my porch in three days counting the night ordered &day delivered, under $50 (36" circle)
Not sectional, but GarGraves flex and Ross switches is what I'd buy for a big layout. Less joints and a lower pitched, smooth, roller bearing sound. The Phantom track has the center rail blackened chemically to hide it. I think they manufactured black center rails first. The track is tubular. Track is all they've done for well over half a century. That ought to tell you something.
Other favs. are vintage Super O, k-line and RMT. These have softer near rubbery plastic for the ties with woodgrain embossed on. They snap together and use pins both. Kline/rmt has blackened centerail and round tubes. Super O has squared tubes and copper center rail like a thin bus bar. Roller rides the thin edge. S.O. & K-line would be used track, RMT is back and track and some swtches available, but won't remain without more support Imo. RMT and Kline are very similar if not exactly the same product. All three are great. The quietest tracks ever made imo.
Note: early tin with "fat wheels" on the gearside won't pass through any of the switches made by anyone above. But early (not later) Marx will
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Tin plate Fat Wheels can go straight in some switches but one direction only, fat geared wheels to the full length rail.
Near any mfg can be screwed down in alignment with another to mix brands too