I think a part of Rob and Amber's charm wasn't so much how they played the game, but how other teams COMPLAINED about how they played the game. Seeing teams like Charla/Mirna whine and complain and freak out over how Rob and Amber were playing the game actually made Rob and Amber rise in my ranks, because as self-absorbed and high and mighty as they seemed to be on the race, they never once complained about anyone else's game and how everyone else was screwing them over, because what other teams thought was never a concern to them. Rob and Amber basically ran their own race the whole time, making short-term alliances to try and advance in the race. It's one main reason why they were the runners-up in season 7, after all. And, I think it's why a lot of people seem to respect their GAME PLAY.
I can't really comment on their personalities, though. I've never met Rob and Amber, and in all likelihood, I probably won't either.
