Elisabeth from Search Engine Watch Forums posts New Keyword Popularity Tool Debuts in Adwords Accounts. Lee Odden adds;
Here are some very cool features including the ability to "review detailed keyword performance statistics like advertiser competition and search volume.":
Keyword Variations works much the same way except now you can sort the results by popularity, performance history, cost and predicted ad position.
A new Site-Related Keywords feature offers the ability to generate a keyword list based on a specific URL and can also include other pages linked to from that URL. It will break out relevant keywords into groups as well.
Keyword lists can be downloaded in .csv format
There are several other features worth checking out. I think it may be as useful for organic keyword research as it is for PPC.
https://adwords.google.com/select/KeywordTool but I think you need to have a referrer from adwords to get it to open.