I just read this article on a French site: http://www.outil-referencement.com/blog/index.php/422-google-as_qdr

It's cool, I tried it for my site:

http://www.google.co.uk/search?hl=en&as_qdr=m6&q=site%3Awww.towers.fr&as_qdr=y&btnG=Search&meta=

As haven't updated in months, there's no new pages indexed. In contrast, here are the pages indexed in past 24 hours from Blogoscoped:

http://www.google.co.uk/search?hl=en&as_qdr=y&q=site%3Ablogoscoped.com&as_qdr=d&btnG=Search&meta=

Nice feature isn't it! Useful for those of us wanting to keep an eye on how the index is changing

David

or you could just use the advanced search :-)