Gonna have to go with Buffy, seeing as I never really liked Cordelia and Angel together. I loved them just as really close friends.

Definitely Buffy, since Bangel is my Buffyverse OTP and Cangel is my NOTP. But I actually really like that Darla was his child's mother in canon, making becoming a father just a good thing for Angel personally instead of bringing it into any shipping wars.