After reading this issue, I'd be ready to buy 6 copies of that story.
No, we've known about the nanites as far back as #6, I think it was. Or earlier? The one that started with the sucker. I need to reread this series now, lol.
The best part of each of these stories was that each character's dynamics with Dick had potential to be amazing to read about. Getting into mystical sh** with Constantine, being awesome with Azrael, getting into all kids of trouble with crazy, sexy Harley, broing it up with Simon, each of those would make great team-up issues, or even books, imo. The fact that things ended the way they did actually really made me sad. I don't want these interactions to be completely forgotten. I want to see these team-ups again, in fully fleshed out stories. Also appreciated that the run officially ends on Dick just being awesome, never jobbing, etc.
Also, I think some of you guys are exaggerating things a bit, not by much though, but a little nonetheless. For example, Constantine isn't all, "HAVE ME!" when talking to Dick. He's actually just more confused and impressed by how and what he did, just making a passing reference to his butt as a joke. There's really nothing in the issue that tries to push his bisexuality in your face. And if some people actually feel a Grayson story isn't allowed to have some fun by making Dick look good in his capabilities, well, I'm not even going to continue.