This is a question which I can answer whilst wearing two different hats; those of collector and drinker.
1. We don't finally know for sure, but there is a very good chance that the new 10y Ardbeg will taste different from the old one. So if you like drinking the existing one, stock up whilst you can at a normal price!
Although the new one is coming along next year, does anyone know how much of the 'old' one is still laying around the warehouses?
1a. Will they vat the 10y to retain the same character with a mix of new and old?
2. At some point the 'old' 10y will run out. Will LVMH wish to distinguish between the two? If so, then expect some kind of presentation change.
In which case, the price will only rise for the old.
As with 17y, 1975, 1977 ...........