In my Site Diagnostics today is full of google cache.
http:/ / 209. 85. 135. 104/ search? sourceid= navclient&ie= UTF-8&rls= GGLG,GGLG:2005-32,GGLG:en&q= cache:www.mydomain.com
Blocked due to robots.txt which is correct but why is google all of a sudden listing them.. seems odd.. ?