Owned two. Still own one.
Model 66, developed a problem after about a decade of ownership. Back to Taurus, got fixed. Next time it happened, I bought a couple spares of the part (revolver firing pin spring) and fixed it myself. (Buying these was a notable customer service saga by itself. This would be around 2002.) It wouldn't stay fixed, and I had by that time an equivalent S&W which the Taurus was not the equal of, so it became trade fodder, and went away.
Model 605. No problems so far, that I haven't been the cause of. As far as I can tell right now, it's staying, unless I can trade it towards an upgrade.
"As was the man of dust, so also are those who are of the dust, and as is the man of heaven, so also are those who are of heaven. Just as we have borne the image of the man of dust, we shall also bear the image of the man of heaven. "