Had both 1608's last night.
The old one I would describe similar to your description to the Anniversary (cough cough) Edition.
I find that the new edition has quite a bit of sweetness to it in the form of boiled sweets. The finish is quite spicy and a nice bit of wood that I enjoy.
They did not by any chance slip you a glass of the old one in error as thery are both side by side on the shelf in Neachtains
Anyway we all have different taste & tastes so no surprise that I may like it and you think it so so
I'm away now probably not back till the week after next .... keep dramming guys