He's saying that he has such little faith in Huka Entertainment that he wouldn't be surprised if an advertised sneak peek (presumably of the lineup) actually came out after the lineup was widely released. Because so far they've got a terrible track record of actually following through on things.
Also, Pemberton lineup comes out Tuesday, so it would be interesting for them to do a sneak PEEK on Wednesday or Thursday, unless it's a sneak PEEK of something besides the lineup. Not sure what that means.
King of Limbs is better every time I hear it. Honestly, we've gotten so much from Radiohead, so much more good music than almost any band ever, without having to wade through shit like with most bands' careers, I feel like anything they make at this point is just a bonus. Just more dessert.