I don't know it exactly... what i know is that if you type site:
www.site.com on Google, it return zero results...
On the other way, the Google toolbar says PR1 (but I don't know how it can mean) but SEO tools cannot find the domain... what do you think?
By the way, we just created a blog on which we'll inform everybody about our strategies and what we'll do to back on the SERP... the blog is
http://back-on-serp.blogspot.com/