ItsAllGoingToBeFine
Scotland puts more into the taxation pot than it gets back.
That's what Salmond and the Nats like to claim, but the figures they use are their figures. Still, we'll find out how immensely wealthy Scotland is when it leaves, won't we?
As for the change in the coastal water boundary, we'll have to see how that pans out. Although, of course, the government didn't "quietly" move the boundaries at all. They were moved as part of the devolution settlement and it was a public process, evidenced by the fact that I was able to pull the complete record off the internet with no effort.
What you can do if you're interested in maritime boundaries, though, is take a look at this website. If you click on the 'search database' button, then you'll be able to see all the treaties agreed with Britain's neighbours over the division of territorial waters. Another interesting example is Denmark, which, like the UK, has a complex coastline and several near neighbours.