Both my wife and I had decided fairly recently to start using protein powder after our workouts. We started with some unnamed protein powder, but my wife started getting migraine headaches. After looking at the ingredients, we decided it was possible that they were due to the artificial sweeteners. I looked around online, and had a heck of a time trying to find a whey protein which did not use artificial sweeteners. Which is where this protein came in.
We have now tried all 3 flavors of Natural, the Vanilla, Chocolate, and Strawberry. My wife's headaches have gone away, which is always a good thing.
My wife and I both disliked the Vanilla. There was something about the flavor we didn't like. There are lots of good descriptive words for sight (bright, dim, yellow, flashing, etc), but nothing much for taste. Too bad. Anyway, we didn't like it.
I am a fan of the Strawberry. I sometimes drink it with water (it's just fine), but with soy milk (I'm a recent soy milk convert) it tastes very close to strawberry milk. I don't mind gulping protein powder just to get it over with, but the strawberry with soy milk was basically at the point that I would enjoy the drink. Excellent!
My wife is a fan of the chocolate. She said it's very similar to normal chocolate powder, which is a good thing, since I've had chocolate protein powders in the past which did not taste like normal chocolate :)
Texture wise, they mix pretty good. We have screw top bottles we use to mix the protein, we pour in the liquid, give it a few seconds of shaking, and then can drink. Usually I wait for the foamy liquid to settle, I don't like drinking foam. On a side note, if the bottle is wet when you put in the protein and the protein settles on the wet bottom, it can clump and need some pretty vigorous shaking. But normally there's no problem.
That's about it, not much else to say about protein powder. I'd strongly suggest the chocolate or strawberry, and stick with the natural stuff rather than the artificial sweeteners.