If nothing else, to prove its legitness (is that a word? No...), the contact e-mail is
insider@smartusa.com. I don't think you can hack the smartusa.com domain name.
It seems to focus on "social networking" (ie myspace-y) rather than informative and well-organized forums. I don't think it would replace this site, because it doesn't appear to do the same thing. But it's one more way for smart owners or fans to communicate, I guess...