Google just launched a new search-based key words tool that lets you compare search queries to actual pages in your, or any one else's, web site. It might be a good way to get some new ideas. Here's the link Search-based keyword tool
Kathleen, thanks for posting this - Google has so many great tools to help us with SEO it's hard to keep track of them all. I don't think I'd seen this particular one - it's been added to my favorites