all the "lists of xyz", "hidden feature of abc" etc .. should be marked community wiki instantly. i am somewhat under the impression that the term "poll" would fit better :) i mean, almost all "cw"s i ve seen so far are mostly "polls" which use the votes to rank the item higher or lower.
is there any obvious separation between "poll" and "cw"? would "poll" be another "type" for a question? do we want "polls" at all?
(maybe this question fits better on meta.stackoverflow.com as the master-meta-page, don't know)