Folder sync between Macbook and iMac

Hey Guys, I need a program that will let me keep my documents synced between my iMac and Macbook Pro. When I am in my office I work on my iMac and would like it to automatically save any changes to a file that I make and make those same changes on my Macbook. Vise versa when I am on the road with the laptop and update documents , when I reconnect to my office network those changes made would update to my iMac.

Thanks for your help.

Have you looked at Apple's MobileMe service?

I think SilverKeeper could be used to do what you're looking for.

Thanks guys. I will check both those out. I have thought about Mobile Me but new that they had a lot of problems when it launched. I may have to check into it again.

Chronosync is another solution. I use it to keep my iTunes library sync'd between my MacBook and my Windows Home Server.

I will check that out too.
Thanks