Marc - if he's cloaking your pages (copies) you can file a DMCA infringement with Google, but it has to be mailed or faxed
http://www.google.com/dmca.html
If you would - take a look at the thread below about M Peak and see if its the same group - if you have some domains - go ahead and post them here as we've been doing a lot of research in the last three weeks to run all of these guys