EXAMPLE #1
Thread in The Lounge:
How many copies of 'Pink Friday' did you buy?
It could use a poll attached to it, so the actual replies to it are more discussion-based and not just people posting a number with no way to add them all up except for manually counting them all.
EXAMPLE #2
Thread in Polls & Quick Battles:
Team Coco or Team Jay?
If that thread were in The Lounge, people could still vote for their choice, but it would encourage more discussion of why people prefer Conan or Leno, and I'm sure there'd be way more replies.