Now - i'll say in advance, feel free to roast me if i'm missing something, I hope that i'm wrong but curious to hear what everyone else is seeing...
Back about 5 years ago, internal linking was the sh*t. It was. A good internal linking strategy can make a lot of the difference on the site, so long as you knew how to beat the block level analysis. Nowadays, I'm seeing on a number of my sites and other sites that the the internal linking strategies, including the dynamic ones, are having less of an impact. On the flip side of the coin, i'm seeing sites with no internal linking strategy applied crushing it, due to domain factors....