Fuck you, Repug. Go save a tree or something.
My experience is similar:
The taco was, on the whole, not terribly different than the original Doritos Locos. I did notice that my lips and fingers tasted markedly different, though. This was pleasant, but not enough to flip my shit.
On the whole, I probably prefer it to the former, but not quite to the point that I prefer to prefer it. I wanted to like it more than I do.
Contrary to your experience, mine was perhaps the best-constructed taco from my local Taco Bell that I've had in recent memory. I ordered a single taco, and the heft was astounding--to the point where it actually greased out of the bottom of the shell by the time I got around to eating it. Ample beef, lettuce, and, most of all, sour cream. A perfect taco.
All in all, it's good. It's very good. And I'm happy it exists. But it's not quite a revolution, and, as such, it isn't quite as good as I would have hoped.