Anyway, you never forget your first, which was Baker for me. (God, I'm old and I still want his scarf!)
Of the reboot I love Tennant and Smith for different reasons. They both brought such a richness to the Doctor.
As for the original companion - Sarah Jane.
Modern Companion - Amy/ Rory because they gave the audience the incredible River Song. I also love the impossible girl Clara Osborn.
I really hated Rose, but Donna I mostly felt sorry for. As for Captain Jack, I see him as more of a guest star, since he starred in torchwood. (In Love with Jack)
I'm probably going to catch hell here, but I like Capaldi. I feel he was just hitting his stride when his turn ended.
Unlike some I can't wait for the new series and the 13th Doctor.