Yeah, I know about those ones... I saw them in the book with three redecos of Starscream that were noted as "unreleased Gen2", but didn't see where it said "unreleased Gen1" next to the "coneheads".
Still, there were 31-ish unreleased Gen2 toys that were included in the book, plus a few others we've known about... which is a lot that they had in the pipeline when the line was axed.
(each time I go back to that book for something, I get so distracted at all the purdy pictures)