I use both
just an initiated on rebuildables but what it comes to flavour, I find them on par. Never had sore throat... maybe a shitty stock coiler mate.
But, overall, aye, rebuildables have a lot more advantages. Cant disagree.
likely. Nickel (NiChrome to be more precise) is very common in stock coilheads; maybe you are sensitive to it, just like @red5
im using nichrome