Origami Central uses the Windows RSS Platform and the Common Feed List from IE7 for its RSS feeds. Feeds I subscribe to in Origami Central or in IE7 will appear in the Common Feed List. What this means essentially is that Origami Central and IE7 share the same RSS feeds.
When accessing my subscribed feeds in Origami Central, I'm brought into the All Feeds screen. The UI uses large graphic icons making it better to use the touch features when navigating between feeds and folders with feeds inside them. The black icons are folders with feeds inside them and the white icons are individual feeds. Origami Central comes pre-populated with feeds in the Origami Experience folder. I also get a toolbar similar to the one in the browsing experience except the title bar for the RSS experience does not auto-hide. On the toolbar I get a circular-arrow-type icon I can click on that will refresh my feeds.