Different list views for folders, content types and files in SharePoint 2010

There is a not well known feature of SharePoint I want to show. You can create different default list views for different content types. As an example you have a top folder for specific orders which is automatically created by your customer when he orders something. Within this folder you and your customer exchange documents. You goal is that when someone enters the order list he only sees his folder. 1. Attempt My first opinion would be to create a list view with a specific filter. But here begins the problem: How should the filter look like ? If you set " Created By = [Me] " the customer will only see documents and folders he created. When you use " Created By = [Me] & Contenttype = Folder " he would not see subfolders created by others. 2. Attempt The more elegant way is to use different content types for top folders and subfolders. Based on the content types you can create different default views. 2.1 Create Content Types So create a new con...