Astarion's VA is good and annoying at same time; too arrogant, fancy and flirty. Gladly PC will take his roguish spot.
For Shadowheart, beside all emotional things Firesnakearies wrote about, I like her for being pragmatic. Snarky, witty and pragmatic. Perfect, but I was fan of Morrigan too (and she was way more dirty than SH). Guess everybody have their types.
Funny that I rather will trust Shar's priestess than good boy Gale. And Wyll is too boring (also as class, blast it all). Laezel for teh lulz.