Syncing aint just two way

When you get a gadget with any kind of calendar or contact list, you want to sync it to all your oather gadgets with calendars and contact list... Almost always it's a 2 ways communications between 2 "things".. but, it needn't be. I used Multisync, which is apt-get-able, to sync groups of "things". For example, my laptop, my work desktop, google calendar, my pda, my phone and my other phone ...