Nintendos presentation was the only one that felt genuine, they had the actual devs talking about their games, even the CEOs are actual avid gamers and not suits with their faces superglued into smiles, spewing buzzwords and spinning about it being "best on Playstation/xbox" and taking potshots at each other without actually saying anything of substance.
Nintendo and The Witcher 3 had genuinely enthusiastic presentations where they basically just said, we want you to have fun, here's what we've got, enjoy. No bollocks, no fluff.
Yoshis wooly adventure, Splatoon; actually innovative, but do I hear Nintendo saying anything of the sort? No, they just show it to you. You decide if it's innovative from what you've seen, not because you've been told "This is unique and innovative, pushing the frontier of gaming for gamers, because it's best on playstation".
From Nintendos presentation I'm absoloutely going to buy a Wii U.