If this ends up being the real plan, I think that it will turn out rather nice. It looks like the train will also see an improvement, as that area behind the Big Thunder Ranch hasn't been the most visually exciting, and now it looks like there will be waterfalls and maybe a peek into Star Wars Land.
The only thing that I am not entirely excited about is the new style of land they seem to be going for, which is intricate and intense themeing, but few attractions. They did this with Carsland, and it's why I rarely spend any time there. I go in for my ride on RSR and then leave and don't visit again for the rest of the trip. Yes, it's beautiful, but if there's nothing to do there then I'm not going to spend time there. Unfortunately I see the same for Star Wars Land, a visit to ride the main attractions and then on to to the rest of the park because there's nothing else to do there. At least in a place like Adventureland, which is lacking in many attractions, it is a major thoroughfare so I walk through there quite a bit on my trips. Star Wars Land, like Toontown, will be out of the main passages, requiring you to make a conscious choice to go there. For this reason I often don't even go to Toontown on my visits, there's just no point. I think Star Wars Land will still hold more interest for me than Toontown or Carsland, but it just doesn't look like a place you would spend a good chunk of your day like you can in other lands. Maybe the dining options will make up for this. If they can bring a Blue Bayou type experience into the land, that would be awesome.
Still, I prefer the style of several attractions squished into a smaller area, like Fantasyland. There's so much to do in one place, I love it!