AFAIK, Ca is very possessive of its system. In that cars that come in from other states also have to be smogged.
To be honest, other than the perfect weather, there isn't a lot else I like about CA. The taxes are high, it's hard to do business, and our state is perpetually broke... despite the taxes. If I could make CA money in another state, that would be awfully tempting.
I wish we had the 25 year rule... oh well.
Thanks again for the sentiment.