Yeah Nina should probably get in. I'm not much of a fan but she's a legend. And you're right, the Kanye samples and documentary and stuff make this a perfect time for her.
Zombies are a tricky one, cus while they were a great band their legacy in the public consciousness doesn't stretch much further beyond "Time Of The Season" and I don't think they influenced many people who weren't already being influenced in similar ways by the Zombies contemporaries. But I'll be happy to see them get inducted if they ever do.
While I do think it would be nice if the Moodies got in I can't believe they're getting nominated before other prog/art-rock bands of the era. King Crimson or Jethro Tull or something. They're already put Floyd, Genesis, Yes, and Rush in the hall, the "no prog" meme is long dead now. Friggin give it to Crimson already you guys.