http://blogs.technet.com/b/seanearp/archive/2008/07/02/network-utilization-between-vista-and-windows-server-2008.aspxI love the next-generation TCP/IP Stack and SMB 2.0 . It makes for quite zippy transfers :) More on the new networking features of Windows Vista and Windows Server 2008 here: http://technet.microsoft.com/en-us/library/bb726965.aspxen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)