Finally, I've found some official Microsoft information on SharePoint 2007 licensing. They are estimates, but they give a hint on what the cost will be.
For some background information and licenses tips&tricks:
- Product features and comparison - which SharePoint version contains what - Microsoft Article: Read more...
- How to buy SharePoint - product and license overview: Read more...
- Which licenses do you need in different scenarios: Read more...
- Critical view on SharePoint for internet facing sites: Read more...
|Office SharePoint Server 2007||$4424|
|Office Forms Server 2007||$4424|
|Office SharePoint Server 2007 for Search Enterprise||$57,670|
|Client Access Licenses||Estimated Price|
|Office SharePoint Server 2007 Standard CAL||$94|
|Office SharePoint Server 2007 Enterprise CAL||$75|
|Office SharePoint Designer 2007||$187|
|Internt facing sites||Estimated Price|
|Office SharePoint Server 2007 for Internet sites||$40,943|