I dunno why but the idea of ANOTHER female rogue kinda makes me roll my eyes a bit. It's not that they're not awesome, but we already have one this game and they don't tend to double up class and gender unless they need it for the narrative (like Wynne/Morrigan presenting opposite sides of the Circle argument). We've had a female rogue in every game and just... I dunno. Yawn? I guess. Unless it is someone like Tallis or a Qunari female... pass.
Unless, of course, they do an Errol Flynn type rogue. I'd be all over that. Male or female (if male, voiced by Cary Elwes, please and thank you).
Also... I started Asunder and I completely and utterly DON'T WANT Cole as a party member already.
While I'd be all for Sigrun (
her), whatever happened to all the Sandal speculation?
Can you imagine party banter with him? 
Sandal and Bohdan are like C3PO and R2D2 of Dragon Age. Everyone just expects them there, but I don't see them in any capacity other than NPC.
Anyways, I see them going warrior heavy again because they usually do. There has to be another rogue they haven't announced yet because they don't have any dual wielding rogues yet and we usually get one companion of each type.