Anyone seen the Airship Ventures Zeppelin during its flight from Texas to California over the last week? I saw it over Long Beach last Friday, and it was a quite impressive sight. We see the Goodyear Blimp here all the time (N10A), and the Zeppelin was incredibly fast as it cruised over the Queen Mary.
They are up at Moffett Field this week, so it should be visible near the Bay Area for a while.
Here is the link to their blog:
And, apparently, someone has brought up a Flikr group of sighting photos: