I guess I can't say I'd romance default male sarcastic Hawke? He'd be my number one choice... I fell in love with him more than with any LI but if I had to choose someone from the companions...
Well, I tend to idealize the person I am with, but then I'm also kind of insecure so I'd have to be with someone quite reassuring, so IB's out of the picture, even if I really like him (without the BDSM thing).
I had a crush on Alistair in DAO... and if he were into guys, I could see me with him... until duty and stuff gets in the middle...
Fenris... alright I'd fall in love with him the moment he opened his mouth and started talking... too broody, true, and with a dark past included in the pack (nightmares after sex, not really the best to hope for), I think he'd end up depressing me, but by that time I'd be completely hooked, so what could I do?
Cullen (if he were into guys): sure, completely my type, strong manly but super cute guy? what's not to like? ok, lyrium issues... but we'd get over it 
Dorian... I don't know, he's handsome, but... I don't know how I'd feel about him until I met him IRL, but there's also the way he thinks about slaves... so probably no.
Solas... Actually he reminds me of one of my ex with all his thoughtfulness, calm, interesting conversations, sexy serious guy's attitude... he was even obssesed with dreaming and ancient cultures too (although I don't think he went to the fade, but who knows) even the way we broke up is exactly the same! (Ok, no Dread wolf thing, but "we're perfectly fine and suddenly no explanations, I love you, but I need to be alone" kind of way)
So... handsome sexy male sarcastic Hawke, please 