I don't believe it, robject. The June 2007 thing. It's mid-April. The text would have to be done NOW. Has it been proofread? Edited? Will it be? Has anybody even seen the finished version yet? Artwork?
Of course, one WANTS to believe it. The actual printed book would be ready for GenCon. And if Marc knows what's good for him and us, there'd be sundry T5 GenCon events, including demos by the man himself... which would be the most awesomerest thing ever, and would draw ME, of all people, to GenCon.
So, one wants to believe, oh yes. But one doesn't.