i just used a similar test for my site

http://www.google.com/search?q=site:www.jakchat.com

and got over 8900 entries. My board has about 46000 posts at the moment, so i reckon this should be about right. (i'm not using a sitemap. yet.)

my default posts per page is 25, if this makes any difference.

some of these entries were for user profiles (which should not actually be visible in any case) and other non-message content.

strangely, however, not all the content can be found. even content a few months old sometimes does not turn up in the google index.

Okusi Associates -- Indonesian business and management services