Technology. Photography. Learning. Internet. Food. Science. Family. Cars. Comedy. Cake. Trance. ... more or less.
Agile Web Solutions, the authors of 1password, don't recommend that you use MobileMe (the-service-formally-known-as .Mac) for synchronising the keychain.
The instructions I followed uses iDisk to synchronise the keychain but I used my recently added SSH filesystem.
This is the same system I use for keeping Things synchronised across multiple Macs.