Great idea, but the problem with this is getting enough people to put their data in. Back when the Mark 1 was new, most of the owners were here, and aware of the old registry. Now, we have 5000ish players in the wild, and these stats for the board:

Users - 2497

New Users in past 24 hours - 1
New Users in past 7 days - 12
New Users in past month - 49

Users that have logged in the past 24 hours - 154
Users that have logged in the past 7 days - 380
Users that have logged in the past month - 586
Users that have never logged in - 308

So the problem is going to be getting the word out to all owners to register. About the only way I could think of acheiving a high rate with this would be to include a message in the official upgrades from empeg about it, and still it would run the chance of being ignored, or never seen.

I've thought about reviving the registry for RioCar.org, but never got to it before the product was discontinued.