Finally! :) Running MOSS and MOSS for Internet Sites in the same farm has been impossible from a licensing point of view. This was causing many problems when integrating intranet/extranet/internet functionality in one farm.. in reality a common scenario. Today, I was glad to hear that this limitation is taken away. Although financially it's still a 'do I want to do this' question, but at least it is not limited anymore.
From the Sharepoint Team blog:
"The same software is licensed under Office SharePoint Server 2007 and Office SharePoint Server 2007 for Internet sites under different use rights. Office SharePoint Server 2007's use rights support private intranet sites and require CALs for licensed access, while Office SharePoint Server 2007 for Internet Sites does not require CALs, but does require that all content, information and applications be accessible through the internet to non-employees. Please refer to the Product Use Rights (PUR) document for these products' use rights.
As an accommodation for possible deployment scenarios, customers wishing to consolidate their SharePoint needs under a single deployment may acquire licenses for both products, assign those licenses to the same server, and use the same running instance of the software simultaneously under both licenses. However, customers must acquire CALs as required under the Office SharePoint Server 2007 use rights for users and devices accessing content in any manner not permitted under the Office SharePoint Server 2007 for Internet sites use rights."
Read the complete posting here.