Last February we were reporting about the initiative of our German friends at fruux, aiming to release a "true social networking application" allowing you, at home or on the move, to keep track of your contacts at a mouse click.
fruux v0.6 was just released and is now in public beta. The social features are not yet implemented, but in it's current state fruux is already a nice (and now publicly available) alternative to MobileMe's sync functionality. The sync features, which allow syncing multiple Macs via the "fruux cloud", are described here: http://blog.fruux.com/2007/10/20/synchronize-multiple-devices/
We also gathered some info about their roadmap:
We hope to release v0.7 (including calendar and maybe bookmark syncing) very soon. When our basic sync