robotsdobetter - 10:01 pm on Apr 1, 2005 (gmt 0)
I also have seen some major changes on the keywords I watch. I think Yahoo! improved it a LITTLE, but still see some Spam. My site has jumped from 10, 12, 30, 20 and back to 10 on the site's main keyword. It looks like link popularity may be playing a bigger role in the ranking.