If you've never heard of the NetTalk TK6000, you're certainly not alone -- suffice it to say it's an as-seen-on-TV product that converts a standard ethernet internet connection into a VoIP telephone cord. And to be clear, the new NetTalk Duo doesn't seem to offer anything different than its predecessor, only a shiny bullet case, but that just makes it the perfect salvo across incumbent MagicTalk's bow. We can hardly wait to see how the latest chapter in the infinite long distance ca
