First, Jobs' comment regarding OS X on iPods was not widely overlooked.
Second, why does he think they will not come out until '08? I guess it doesn't matter, since he can pull anything he wants out of his ass.
I think wi-fi on the iPod has been a safe bet ever since their partnering with Google. iPod and YouTube pretty much means the iPod will be the gold-standard portable media player for another couple years.
Ordinarily, I'd say the launch would be a lock for holdiay buying season '07. But with the iPhone not out yet in Europe and Asia, I'm not so sure.
I don't know how saying "Apple will probably release an iPod that's like the iPhone without the phone, and will probably do it by or before January 2008" is any different than the vast consensus on this site - indeed, it may be shaped by it.
Except...
1. He gets paid ($$$?) for it.
2. His job is (presumably) on the line if he's wrong (although you couldn't tell by some of these guys' track records!)