Thank you for using our online answers forum. There are a few options for connected devices to access the SlingPlayer on your T.V. at the remote location. It's hard to say which one would best suit you. The Xbox was never compatible as a connected device for the SlingPlayer, but the Boxee Box and Logitech revue both were. I have provided you with some links that hopefully, help shed some more light on which one would work best for you.
Here are a few links with some information on connected devices.
Hope this helps, feel free to reply with any other questions or concerns you might have.
The Sling Moderation Team