I'm your weight, but a little shorter.
I've found that the Premier is maybe a little bit stiffer than I need, but not too stiff at all. I only do waltz jump, toe loop, and salchow. Small jumps.
My coach did not like the idea of the Finesse (which I also wanted to help with toe point. I have gorgeous toe point in ballet, but it's hard to point in boots!) he thought that I need the stability of a full back for my jumps, since I don't have perfect technique. He thought the low ankle would make it too easy for me to fall backwards. He suggetested that if I really wanted a cut down boot, I needed to get the higher level dance/synchro boot Jackson offers, made to support single (and even double) jumps, not the low level one- which is presumably made for synchro skaters who are not yet to the level where they do jumps in synchro.
I used to skate in the Competitor, which they've changed, and that was perfect, so I think the Freestyle wouldn't offer quite enough support. Almost every kid who is doing what you are doing skates in the Freestyle, so with the extra weight, I don't know if it is really right for adults at that level too.
The Premier will be long lasting, as I don't see myself breaking it down, possibly ever... But it isn't too much either.
As for the Coronation Ace, it is a great blade, but can I recommend you look at the Ultima Matrix Legacy? It is an amazing blade- I'm a huge fan! (Just switched to it this summer...)