The Silicon Valley of old is basically dead. The magic is gone.
The two suplus stores are gone (Halted and Weird Stuff Warehouse.) Only thing I can think of that I would recommend is the Musee Mechanique over in San Fran.
https://en.wikipedia.org/wiki/Mus%C3%A9e_M%C3%A9canique For suplus parts I guess you gotta go to Shenzhen these days. -- : Ethan O'Toole
