I was wanting to see all posts at GIS.SE that have been flagged as community wiki. I found the solution here - it's an advanced search option:
IMO, the community wiki can be improved. This would be easier if the CW was more visible.
Additionally we could add a paragraph to the FAQ describing the wikification process. Many "List of X" type questions border on product promotion. I don't think we want to discourage these. Instead, maybe we could start some "List of List of X" types of wiki questions, and provide a link to it from the FAQ. Stakeholders of products mentioned in a list are not motivated by reputation. There needs to be an easier way for them to find the wiki questions though. As things stand now, it seems like many wiki questions fall off the radar.
For example, "What GIS Software is available?" could be a wiki question with links to "What Raster GIS software is available?", "What vector GIS software is available?" etc. Publishers of new software products would find the appropriate wiki question and list their product in it.
What if SE changed the site so that any mention of "Community Wiki" would be replaced with a link to the search of community wiki pages.