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No way. Google may care about DNS repoints, but that's something else entirely. Google barely cares about shared IPs and 'bad neighborhoods' at this point - so I doubt the IP address matters. Plus, we have several clients using hardware load balancers that do exactly what you describe, and it doesn't hurt them.

As soon as I get mine Dmitry I'll invite you. What is your gmail address? PM me.

thanks alot !!

hmmm... had the same issue with the "Term Extractor" tool. I'd still like a recommendation for a tool that extracts terms from pages on a site that is not in Englsih charachters. I'm using SoQuake's toolbar "Keyword Density" tool, but it's very superficial. Any suggestions?