I used the Charles Worthington Shampoo (I think it was Moisture and something.....) about a year ago and I rather liked it.It was very moisturizing&rich and thus great for dry hair (I think it had no cones  ??? ) but for me it was causing build up after a while (my hair is only slightly dry).But it's worth a try,maybe you could get a sample first?

Of course,you're right-I forgot all about the vinegar rinse! I think it should be o.k. with vinegar rinse! And apart from the build up it was really a good shampoo-so moisturizing I needed only very little conditioner