Yes, he did. In his oficial Twitter page. He said "well it's official, the new Nevermore record will be called "The Obsidian Conspiracy"" (Copy and pasted from the post).You can check it if you want ;)
It is eerie how similar Warrel and Geoff Tate from Queensryche are. Both are operatic progressive metal vocalists, from Seattle-Tacoma area, they look almost the same and they have the same speaking voice. (i honestly had to do some checking to confirm that they weren't related.)
Holy shit, he's like the polar opposite of what I imagined. I thought he'd be some pretentious modern dude with a goatee or whatever, but he looks like an old hippie who speaks really low.