Yahoo! just announced a new beta tool named Y!Q BETA, which enables "search by example" function, basically contextual search. Chris Sherman has an extensive write up on this. Many of you, about 30%, use firefox, so try out the firefox plugin for it. Jeremy Z. has a big write up on this at the Y! Search Blog.
For forum coverage, I recommend checking out the Search Engine Watch thread, where Chris Sherman, Nacho Hernandez, Detlev Johnson, Daniel Brandt and Danny Sullivan all comment.
Other forum coverage at WebmasterWorld and SEO Chat and Cre8asite.