Well, there’s certainly quite a few Outlook sync competitors, but I chose Syncing.net due to price and the pitch. They have a nice little flash demo showing everything going perfectly. Now, Syncing.net doesn’t only sync Outlook PST’s between computers, they also have a Dropbox-like folder sharing capability which allows you to “invite” other people to your shared folder(s). I did not use this functionality.
Syncing.net, in theory, is pretty easy to set up. According to tech support, you simply install Syncing.net on the host/master computer, then “invite” your other computers as necessary.
Syncing.net manages its syncing capabilities by using a secure P2P (peer to peer) connection as well as a “store and forward” feature which allows Syncing.net to use its own servers to temporarily store up to 250MB of data temporarily if one of the computers is off — thereby preventing the possibility of a P2P connection from taking place.