viggen - 9:57 am on Mar 23, 2011 (gmt 0)

So to the point, he says if I don't ask for ALL of them to be taken down he is going to do everything he can to get my site penalized or even blacklisted by Google.

...how about get the email with the threat printed out, go to your lawyer let him make write a few lines on their official paper, acknowledging that your received it and send it to them.