Dang NDA.
I think I can safely say you won't be seeing Spectaculars in July. That doesn't mean you'll never see it, but I can't say you definitely will either.
The one thing I can say with absolutel certainty is that if the book never shows up, it's not because WotC decided to save money by doing freelancers dirty, as one poster suggested. WotC always pays for what it asks for, even if that book never gets used. I happen to know of at least one completed manuscript I wrote part of that has never seen light of day (and likely never will). I was paid in full, as was the other author on the book.
Also, the fact Spectaculars isn't showing up in July shouldn't be seen as a death knell for d20 modern in general. I'm not privvy to sales information or scheduling plans (and what I am privvy to I can't talk about), but the d20 Spectaculars issue isn't connected. While d20 Modern may or may not be selling like hotcakes, and may or may not have a robust set of releases in the near future, don't read anything into this one release not hitting shelves in 2 months.
I wish I could say more, but I don't know much and can't say what little I know. For those of you talking about looking for this book, apparently intently interested in what we've done with the mechanics, I thank you. Sorry, it won't be out in July. Hope we catch you later, on this or something else.
Owen K.C. Stephens
d20 Triggerman