Only you can decide whether it's worth the extra expense, I'm afraid. But if you're hankering after one and can't get one, you won't be alone in that, so if you DO decide, then you have every chance you won't lose when you sell, because there simply aren't that many.
And as for compromise, well that's life all over. The greatest thing about Morgans is the ability to change, fettle, adapt and generally personalise to suit you, and that's arguably the greatest asset of the car.
Good hunting..!
Oh, and go around the factory too. So much insight into the whole Morgan thing and nice coffee too..