Tiferet is completely different from the other seminaries you have mentioned and very different from many of the things you wrote you are looking for in a seminary.
It is also very different from the background you are coming from.
From what you have written about yourself and from what I know about Tiferet, I wouldn’t think it’s the best choice for you. (keep in mind, of course, that I don’t really know you).
I could see a non-Bais Yaakov possibly being a good place for you, but I think that coming from the background you are coming from, you would want to go with either a more right-wing (religiously) “Modern Orthodox” seminary or a more open Bais Yaakov seminary.
I wonder if Maor or Sharfman’s could be for you. I hadn’t thought so originally after reading your first post, but after reading your later posts, I am wondering if they could be options.
Midreshet Tehila might be a good choice as well (maybe more than Maor or Sharfman’s actually). It’s on Neve campus, so if you are checking out B’nos Avigail, you might want to check it out.