Unfortunately, youngmoney, your request won't do anything to satisfy those who you are trying to convince. You see, anyone with an intent to post under multiple names, knowing that IP checks are in place to try and weed out such activity, can do something to get around those checks.
It's entirely possible to connect to the internet using a Rogers/Bell/whatever wireless internet stick, get an IP from them, and post as one name. Then, you can disconnect from that connection, and connect with the same computer via a LAN connection through a local ISP, with a different IP address from them, and post using a second name.
Said person, given the intent to do as described above, would obviously be careful that he or she would always use the correct connection method for each user account, and claim that the user accounts were from different cities, provinces, or even countries. Agoracom could verify that they always posted from unique IP's, and if the first user asked the other user (actually him or herself) to reply and verify that he/she was a different person - well, obviously that person could just wait a few hours, and then reply back with the other account.
I am in no way discrediting your efforts, and regardless of what people here or at SI say, keep on doing what you are doing. I for one don't care if you are both YM and Vette or not. The many who don't post but rather lurk probably appreciate your efforts way more than a few loud skeptics.