I can't judge this book good or bad, it's meaning is way beyond these polar opposites. Words are just signposts, they point somewhere else. I don't really care how close this translation is to the original text, I have found it to be very transformative, it has gem-like lucidity.
I purchased Stephen Mitchell's translation as it was recommended by Eckhart Tolle. Incidentally, I have found that by reading The Power Of Now first has made the Tao Te Ching resonate with much more power. Had I attempted it in reverse I think this book would have been quite meaningless.