Want to know the bits and bytes of how CRM's new replications works? Yeah me too. :-) If your so inclined and need a cure for not sleeping... Here you go.

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/replsql/reploptions_752r.asp Very interesting read. Now see how / why replication got alot faster in 3.0... :-)