Looks like they are using the polling system from CNET.com called CNET POLL. Usually companies like this build their own. Isn't CNET the parent company?
You can always try:
http://www.mr-corner.com/LittlePoll/index.html
I usually just build my own because each site needs the polls to do something a little different and because I never really found one that had an easy configuration tool to setup the polls.
imaginemn