As a straight man, I think it's kinda insulting to assume we only romance powerful women to "conquer" them and not because being a powerful woman makes her sexy.
I'm hoping she's bi personally. Gated to Humans, Dwarves and Qunari perhaps.
Also speaking as a straight man, I only found Leliana interesting when she was talking about either her religious convictions or the time she was an assassin. Not much of an interest in flowers or shoes.
Dragon Age 2 was problematic because it wasn't so much I didn't like Isabella did her own thing but I didn't much care for every line out of her mouth being a lie or an attempt to manipulate me. I didn't particularly care for her breaking down and having a big emotional breakthrough, though, in the Third Act. Hawke was happy with being her friend and lover without her wanting to change everything about her. She seemed to think my being consistently nice to her meant I wanted her to CHANGE for some reason.
Aveline liked Donnic despite Mage Hawke's anvil-sized hints he enjoyed strong women who WEREN'T insane.
Is it so hard to have a romance with a straight woman which isn't also a form of therapy?
I almost decided to go with Merril because it'd be a relationship based on being a relationship but that was a little TOO cutesy. My Hawke could only end up talking with her about Blood Magic.
Which probably freaked the others out, to be honest.