Kindyroot,
It's only the egg whites that contain avidin, which binds to biotin in the intestinal tract and prevents it from being absorbed. The egg yolk contains ample amounts of biotin - so when feeding a whole egg this is balanced and there's no risk in feeding a cat a raw egg.
The website you've linked to about the egg issue also states that eggs can contain salmonella, which of course is not a problem for cats who are designed to handle this, and naturally raw chicken as well may contain salmonella.
And the recipes you've linked to - some of these contain vegetables, oats and various supplements - all of which are unnecessary for cats. Frankly I think these recipes make raw feeding seem much more complicated for people than it actually is, and I think it can put a lot of people off even trying to raw feed their cats.
The simple truth is that when raw feeding there's only one recipe: 85% meat, 5-10% organ meat, and 5-10 % bone. That's it. Nothing else is necessary. For variety you can feed an egg once in a while, or fish once a week, and vary the types of meat. Simple as that!
