As per LinuxBender's comment [1], ExoneraTor [2] tells us it hasn't been a TOR relay in 2009 either.
I think Szabo is the most likely Satoshi candidate. He seems to have disappeared from public view since March, despite being a prolific Twitter [2]. I hope he is doing well, chilling on a beach in a Caribbean island.
[1]: https://news.ycombinator.com/item?id=29729498
[2]: https://metrics.torproject.org/exonerator.html?ip=68.164.57....