I like River Journey! It's not as good as Flight of Passage of course, but it's such an intricately detailed, immersive ride. The problem is that they forgot to do anything else with it. There's nothing telling you where you are, why you're there, or what's happening. It's like spending millions of dollars on an incredible lifelike set for a stage show, and then hastily slapping together a terrible script that completely fails to take advantage of the set you built.
Still though, compared to other recent WDW rides of its ilk (Frozen, Little Mermaid) it's fantastic. They seem so empty and cheap in comparison.