Tammy, there is plenty of evidence that CKD cats don't actually need low protein diets and that, particularly in the early stages of CKD, a low protein diet is not going to help any cat because they will suffer from muscle wasting much more than they otherwise would do. The thinking that low protein is the way to go is actually being challenged by a number of vets now too. If you haven't already, please join the forum at Tanya's site - again, everyone there will tell you that sticking with the diabetic-friendly diet is much, much better for cats, especially cats with both conditions. Here are a few links that I hope will help to explain why this thinking is changing
http://allthebestpetcare.com/kidney-failure-in-cats/
http://consciouscat.net/2011/10/17/kidney-failure-and-diet-in-cats/
http://healthypets.mercola.com/sites/healthypets/archive/2012/08/06/kidney-disease-in-cats.aspx
http://www.naturalcatcareblog.com/2014/05/dr-hofve-on-what-feed-a-cat-with-kidney-disease/
The issue that we've been fighting is that the old guidelines for CKD cats were based on research done in other animals - including humans. Research done on non-obligate carnivores that was then translated for cats as though cats are mini humans, or mini dogs...which they're not. So many of the problems that our cats face are caused by a history of non-species appropriate nutrition and yet we have historically aimed to fix these problems by feeding a non-species appropriate diet - when you think of it like that, doesn't it sound completely crazy to you? The new guidelines state that we should be feeding a diet with a species-appropriate percentage of high quality protein...exactly what a cat is evolved to eat to stay healthy.
Anemia, unfortunately, comes with the territory. If you're not already giving Goof B-complex and B-12, those can certainly help. I give Rosa injectable B-12 in her sub-q fluids plus oral B-complex every day and oral methyl B-12 on the days she doesn't get the injectable. For a number of cats, the anemia does progress to the point where an ESA (Epogen or Aranesp) is needed - there is little that can be done to avoid that because the mechanism that stimulates new red blood cells to be produced becomes damaged as a result of the kidney issues and that can't generally be reversed.
We tried Shadow on K/D for a while. We also tried NF, and the other main prescription kidney food (I forget the name of the third one). Not one of the 6 cats in the house would take even one bite of any of those foods. That, alone, tells me that it is not a good food for cats.
The Evo - I did have that on my list of 'approved' foods for Rosa, but I had to take it off again after they reformulated. I think the issue was that it's now much higher in phosphorus - and phosphorus control is MUCH more important than protein control for a CKD cat.
When you increase the carbs in a diabetic cat's diet, the likelihood is that you will lose control of the diabetes - as you've already seen with Goof. Uncontrolled or poorly controlled diabetes makes the kidney damage progress faster - this is why so many people will tell you that keeping control of the diabetes is vitally important in a cat with both conditions.
As to your questions about a lower protein food - Rosa's kidney values are significantly worse than Goof's. And I feed foods off the list that I linked for you earlier. I don't know of anything lower protein - they are out there, but to reduce the protein, you're increasing the carbs and risking loss of diabetic control (if you reduce the protein, the rest of the calories have to be made up somewhere else). And I won't risk that, nor can I in all conscience suggest to you that you risk that for Goof. My vet, after looking into the issues and reading the research at my request, agrees that Rosa should not be switched away from her diabetic-friendly diet. In fact, she's just asked me to INCREASE the amount of protein Rosa gets above the levels in the foods I'm giving her - I've just ordered some egg white powder to do exactly that without increasing the phosphorus. That request was based on blood work done on Wednesday afternoon.
My brain feels like it's tied up in a huge knot from reading so much CONTRADICTING info. 
Having never been one to conform willingly until I can wrap my brain around something and feel 100% comfortable with my choice, these are my thoughts:
not going to happen again if I have anything to say about it. But, I'm also not going to wait until the numbers call for drastic action, I'm going to begin a LOWER protein, yet LOWER carb diet and see how it goes. I feel comfortable with this, so that's my story and I'm sticking to it. 
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