I'm just happy there are options and they're not race/background locked. Listen closely to the voice samples in Character Creator, ignore accents and just choose the one with tone of voice that would fit your character's personality (and their face, as in what's their most typical expression, what will they likely say aloud when their eyes look like that), and at least for me everything went excellently. Two playthroughs with two different male protagonists.
Then again I'm not english speaker so I can't help missing stuff. Luckily it wasn't dubbed where I live though, we have enough of that with japanese games. Even as nonenglish I can say that anything we hear in Dragon Age is usually better than most of what's heard in jrpg dubs. (Some dub roles are good, but is that enough?)
I loved Hawke's (mine is a dude) voice in every situation, and love the character, but agree there was limitations in playing as him. I have three wardens and three inquisitors, but just one Hawke; even with some alterations (mage or rogue, diplomatic or witty) he's still the same character inside, otherwise there'd be too much overlapping between different characters, or making them into someone I'd rather not see as protagonist. (My Marian Hawke got nowhere, maybe because new sibling in same family felt odd.) For me it's more about how polite or blunt, honest or manipulative they can be in different situations and around different people, since being always generous or always aggressive by default doesn't seem as interesting.
I picked british male voice for my dwarf inquisitor who was polite officially but more easygoing and smartass in private life, opposed to my dalish guy with american voice who was sensitive, intuitively wise, yet unintentionally blunt. My qunari girl is supposed to be kind of artistic type (in my headcanon) and therefore living too much in her own world to think about others as much as my previous guys (so I can pick new, outright ignorant options without making her too jerk - I kinda like artistic jerks). From what I heard so far I think the british female voice can pull that off, she was cute enough.