Hi all!
May be it will be interested you.
Joomla Virtuemart SEO plugin. http://joomboss.com/integration/integration-with-virtuemart (http://joomboss.com/integration/integration-with-virtuemart)
It works with SEOBoss joomla component.
Allow you to manage meta data (title, keywords, description... ).
You can monitor position of your site for certain keywords in search engines result lists.
Added Google Blog Ping feature.
You can easily manage your VirtueMart products keywords from one page. They will be dispayed in metadata info and automatically hilighted in the text on the product pages.
Best regards, Daniel