chad, you are blocking pm's...couldn't reply.
There isn't a thread-integrated poll script for ubb v5, unless somebody writes one... if you are still running 5.45, polls are the least of your worries. I'd recommend upgrading, especially with renewal pricing on sale right now...
If you have added enough modifications that it is "maxed out" then you are good enough at this now to upgrade without much problem, can be done in a few hours.