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Localizer - 4:44 pm on Apr 6, 2005 (gmt 0)
I had a 400 page indexed site, which 98% of the pages were dropped. 50% Has been recovered now and sometimes they drop again. It's a matter of time that all things will be established. Don't change things (to much) as i did...now I have new pages which have to recover PR again.
I think you shouldn't worry about it.