Tenacious D. He does work.
Incredibly well-worded, sir. If it doesn't come up at E3, maybe we can get that answered in some other way- Future events, Kaz's twitter, amar or TokoTurismo, etc. etc...
Hey, I'm a writer, and something of a pocket philosopher.
I love to speculate about the logical conclusions of things. And I'm very passionate about bringing the biggest chunks possible from the real world of motorsports into Gran Turismo, much like Kaz is.
When he brought this up at the Silverstone reveal, it's really hard to see these aspects as anything but some versions of what I posted. If Kaz was to sit down with you and say that GT6 would have an online structure that was built to support the creation of online clubs and leagues, including the hosting of racing series and championships, this is very hard to confuse or misinterpret.
The logical conclusion for me is that this is going to be based around an Event Maker, somewhat like the one we had in GT2, but much more powerful, bigger and comprehensive. With all the other user content Kaz is giving us in GT6, I suspect it will work in both offline single player and online with the League Maker tools. And as a corollary, something of a Livery Painter would be a part of this. Maybe it's not as free form as the one in Forza, maybe it works with templates, but I suspect that some kind of livery graphic to go with race modding cars is included in GT6.
As for the collaboration with other game companies, a few things came to mind. Not subcontracting modeling work, but other stuff, such as goodies for Home with content from other developer's games. Working with Evolution, perhaps Codemasters and Eutechnyx as well on damage modeling and that Livery Editor. Outside chance of wooing Electronic Arts with some sort of deal to wheedle Porsche into the bargain. I've also been thinking of Kaz working with real world automotive companies to involve them somehow, such as with modification deals and sponsorships for your car, perhaps even your racing league.
I had posted that we tended to learn more at GamesCom about GT6, but I had no idea it would be most of it! But maybe the other groups involved want to be in on some kind of presentation and it's not ready yet. We'll see. Besides, we have a bit more E3 to go.