I've had several versions of the sailcloth tops, and they are the best as far as regular soft tops go. I have to say, however, that compared to the newer black twill replace-a-top, there is no comparison. A co-worker has the black twill NX Pro top on his JK, the one with glass side and rear windows, which do nothing for me, but I have to say the material on that top is as superior to sailcloth as sailcloth is to the old standard tops. Thicker, quieter, more substantial overall. The only drawback (other than the hefty price) is there are no upper doors in black twill at this time.
If I was in the market for a new top, I might seriously think about dropping the cash for a black twill replace-a-top, they're that nice.