Yeah... if it genuinely is £10,000 I just can't see how it competes I'm afraid. You could get a Triumph Explorer with luggage for that, plus 0% finance at the dealer I spoke to about Explorers... sure, there are plenty of Suzuki fans who will buy it anyways because they know all about the good Suzuki brand traits, fuel economy, etc. But there's no way an undecided buyer will look at the Triumph Explorer and the new DL1000 and say "I think I'll pay more money for the less powerful, less well equipped bike please."
And if that wasn't enough, the fact that the Versys (again, more powerful) with luggage is £1,500 cheaper completely kills off the DL1000 at £10,000. Even if the DL1000 is 10mpg more fuel efficient, it'd take between 5 and 10 years to make up the difference in lower fuel bills I'd say depending on your mileage. And if the service intervals on the DL1000 really are still 3.5k compared to Kawasaki's 7k, that's yet another nail in its coffin.
£10,000 is the price for early adopters only. As I say, I'm sure they'll sell a few because it'll be in all the magazines for a while and there'll be a bit of a buzz. But they'll have to knock that price down pretty significantly and pretty quickly if they want sustained sales in my opinion! Therefore, early adopters will take a pretty serious depreciation hit when they come to sell.