iTWire reviewed Google Browser Sync for Firefox and clearly impressed with comment that it is a powerful system that should not be dismissed lightly. This is what Google is really good at. Rather than trying to emulate the desktop experience online, with predictably poor results, Google Browser Sync is all about making the online experience richer, more functional and more pervasive. This is exactly the sort of thing that Google should be working on.
Install Google Firefox Sync.
Full Review (dead link)