The VSS modeling was updated in the Chassis Manager view. In the OneClick client, open the Chassis Manager area in the Navigation window. Select the Device and you will see the chassis. Here is an example:
To find all models that support VSS, you can run the "All VSS Devices" search. The search is in the Locater view under the Chassis-VSS folder:
If you would like to have one view that shows which models have VSS enabled, you need to create a Global Collection. Just right click on the "All VSS Devices" search and choose the "Create Global Collection From..." option:
Name the collection in reference to VSS, such as VSS Devices. Create the Global Collection and you will now have a collection with your Cisco VSS devices.