This answer on StackOverflow shows a score of 1 right now:
alt text http://img227.imageshack.us/img227/1979/so1.png
When I click the score to show total up and down vote counts, it shows (+1 / -1), so I would expect total score to be 0:
alt text http://img687.imageshack.us/img687/8034/so0.png
I refreshed several times and I can reproduce it with 3 different browsers.
I found this bug (Voting on a question after having clicked the upvotes/downvotes count will display an incorrect value), but I did not vote for this answer.
Can you reproduce this? Anyone seen that before?