While I agree with this, I also agree with SpaceTiger's concerns about restricting it just to a list of nominees followed by a winning announcement. Displaying the results as they play out I think encourages people to post with stories of appreciation of those they think deserve it most. I think that in most cases this is worth the downsides of having the poll results displayed.
A thought: Maybe it would be best to display delayed poll results, make them be a day behind the actual votes. This I think would help eliminate what happened in the tech guru vote, but also address SpaceTiger's concerns. On the other hand, i don't know if this is possible with the PF polling system.