I'm trying to vote yes, but when I click 'vote' this shows up, (same thing happened with my poll): vBulletin Message You have already voted on this poll. Please press back to see the results.
and now it doesnt give me the option to vote anymore and only displays the results... yet i didn't vote...
and I think you have to wait a min or 2 before you can vote, because it worked for me in the other thread.