I have release an update for both WP-Polls & WP-DBManager. There are no major changes just some bug fixes especially to get it working with WordPress 3.0 Multi-Site options. I will continue to roll that fix out to other plugins as well when I have more time. The reason I chose WP-Polls and WP-DBManager first because of the number of request to get it working with the MS option.
I have also point the latest working stable version to trunk because I will not be adding any new features but bug fixes along the way and hence I am the trunk will be stable.
WP-Polls Readme [1]
Download WP-Polls [2]