Receptional_Andy - 4:07 pm on Feb 5, 2009 (gmt 0)

bwnbwn: you should be using tracking URLs (e.g. www.example.com?src=adwords&kw=keyword) to monitor paid camapigns - referrers have never been reliable for this, although they do help to track down what you actually showed up for, as opposed to the words in campaigns that triggered listings.