Although, I too dive a Zeagle Zena and love it, I have to say that there is no such thing as the "best" BC for women. We're too different in size, preference, and comfort that what you think is best, I may not and vice versa.
When I first started diving, I bought what was touted as the "best" women's BC on the market. Long story short, within 2 dives I knew I hated it and was going to get rid of it. That kicked off my search for the right BC for me. I tried on as many as I could, realizing quickly how much I hated the cumberbun feature. That narrowed my choice basically to two: The Zeagle Zena and a BP/w configuration. Since (at the time) I couldn't be fitted into a BP/W, I tried the Zena and realized it was perfect for me. Well over 500 dives later on the same Zena, and I'm still happy as I was at the start. Yes, I did eventually try a BP/W but didn't like how it felt, how difficult it can be to put on and take off, and since it wasn't "better" than my Zena (for me), there wasn't any reason to switch.
My advice, try as many as you can, narrow down your choices, and pick what is best for YOU!