Hey folks~
Tom is right as he is outlining the supported mechanism for doing this - IIS 6.0 Migration Tool. It can migrate from previous versions of IIS (4 & 5) as well as migrate from one IIS 6.0 server to another. Beyond that, it also has the /copy switch that tells the tool to only connect to, copy & migrate only the configuration from that server.
To facilitate your learning on this topic, you might be interested in viewing a couple of webcasts we have done on this topic:
The Ins and Outs of the IIS 6.0 Migration Tool
IIS 6.0: IISCNFG.vbs versus IISBack.vbs
Beyond that, you can also to learn the robust tool adsutil.vbs though this requires a bit more advanced knowledge of scripting & the metabase. It has a hidden switch called /s that allows you to connect to a server remotely and modify settings directly using the command-line.
IISSYNC: This tool, though shipped on the Windows Server CD, is not supported to be used as a synchronization tool for non-clustered servers. The term cluster, in this usage, means the usage of Microsoft Clustering Service (MSCS) which IIS supports. It is not recommended, though, for IIS 6.0 servers but instead recommended to use Network Load Balancing (NLB).
Hope this helps,