There are few but they're all important. Such as the following:
1. Importing an existing web site un-sync the Windows Password and the configured password in the IIS7.
2. Yeah, we just lost the Perl, Python, and etc which I made it global for the mean time too.
3. The ability to have the same level with Windows 2003 by having most of the IIS7 Features Delegated as Read-Only so the customer can't add modules or configure anything using the web.config which they will have to reply with the DNP control panel.
4. IIS Password was lost but it's not really important for me. I don't know for others.
Lastly, this not just an IIS7 request but for DNP itself overall.
5. Able to set default for all the configuration as part of the hosting plan setup.
Let me give an example for this. Today, when we create a hosting plan, we set whether the user Can have dedicated application pool or not. if you disable this, then the customer won't be able to select it as a feature in his control panel. If you enable it, the customer may activate it's own dedicated application pool. Now what's mssing here? It's the 3rd option that allows us hosters to force a certain feature which we can set it to force enable dedicated application and the customer won't be able to change it or customer won't see that option at all, but it's been activated for his hosting plan.
The above goes also for the Write Permission, for the emails, mssql, mysql, and etc.