Duke Nukem Forever to be re-announced this week (at PAX)?

[A Black Falcon]

Vaporware generally means something that is supposedly in development, but doesn't seem to be actually coming out. Shenmue 3 is almost certainly not in development, and I don't think it ever was. That's different from something like DNF which has been in development the whole time -- or HL2 Episode 3, which is now several years overdue...