This is one of those rare situations where I honestly have no idea. I can't even pick a poll option.
It's like the situation with Dishonored 2... Both characters were
awesome choices, and I just don't know. I'm leaning towards the female in this case purely because I like her voice and have seen a lot more of her, but who knows...
Hopefully the next demo they show (E3?) shows off the city at night, and the male character so I can have a more balanced perspective.
If the game was third-person, I'd probably pick male first because I typically like how equipment looks on them better (typically, but not always). But its first person, and our characters won't really be wearing "armor" in the traditional sense, so... I don't know.
Wait, has it been confirmed that she is voicing femV?