Planet13 - 6:24 pm on May 25, 2012 (gmt 0)

but instead I put site:domain com KeyWords. I was astonished at the pages that were being listed for the keyword...

Oddly enough, I see the opposite for my site.

without the site:domainname.com operator, my "on topic" page is nowhere to be found for the keyword, and the home page shows instead where the on topic page used to rank.

With the site:domainname.com operator, my on topic page ranks first, while the home page ranks second.