The historic Doctor Capaldi most resembles is Colin Baker. But Baker didn't have the skill or the charisma to pull it off- and came across as boorish. It's one of the strengths of the revived show that they can now afford the best.
God only knows why Clara has to have a boyfriend? Does anyone watch the show for it's romantic sub-plots?
Daleks want to destroy everything. A "good" dalek only wants to destroy other daleks. Hmmmm.
I like Missy- whoever she is. Clearly the Doctor's dead (whom she is carefully warehousing) are going to come back to haunt him.