Jeff -
I know I risk offending you but I'm wondering if your post was meant to be humorous.
I played The Falls and thought the box canyon par-4 (the 13th? you wrote about) was one of the most poorly designed "eye candy" golf holes I've ever seen. A gorgeous blonde lacking the brains to spell her own name. The hole looks striking enough, but only a 260+ bomb down the left side of the tiered fairway gives you even A LOOK at the green. Any other tee shot forces you to hit a hopeless hail mary shot over the edge of the rocks to a closet-like target. I've got nothing against the occasional blind shot, but not one that's hit into a virtual pinball machine. From the pictures, I really wanted to like it!
I did enjoy the 12th and one hole on the front (6 or 7?) which had a narrow canyon chute for the drive and a diagonal wash in front of the green. How about the 16th hole par 3 with the elevated pond that seems to defy nature
The clubhouse for The Falls, on the other hand, was awesome with it's winery feel, great food and see-through "window" to the Vegas Strip in the distance.
While I've never played Shadow Creek or Cascata, I just can't imagine how you could put The Falls, which IMHO really only has a few good holes (not to mention the construction site atmosphere for the first 4-5 holes). I'm dying to play SC and just from looking at the Fazio/Wynn book dedicated to the course, I just don't see how you could be bored...but hey, to each his own.
I prefer Reflection Bay over The Falls and the great majority of Desert Courses I've played. Did you get to play RB?