Propose two types of upvote:
- Normal upvote. Current upvote. Has the meaning "This answer is helpful"
- I like that. This kind of upvote means the answer is pleasing somehow, but not necessarily technically rewarding. "I like that" votes add to a user's charisma score, not their reputation. Community wiki answers can earn charisma points, so it makes posting answers to Community wikis "more worthwhile". It will be harder to claim that the system unfairly rewards "celebrities", if the charisma vote is used correctly.
I know this suggestion is likely to be thought 'bulky', but it will give the site an additional dimension. Someone that gives "good" answers will be distinct from someone that gives clever or snarky answers that the rest of the community simply enjoys reading.
This suggestion is similar to