Do the same as Synctoy
http://en.wikipedia.org/wiki/SyncToy
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=c26efa36-98e0-4ee9-a7c5-98d0592d8c52
It is practically perfect ... except the pair creation
I don't want to remember any pairs
I want to synchronize both panels like a smart F5 ...