Openbox S10 HD PVR VS openbox S9 HD PVR

Openbox S10 HD PVR VS openbox S9 HD PVR

Some one is always asking me that what is the differience between Openbox S10 HD PVR and openbox S9 HD PVR ?
Openbox S10 HD PVR VS openbox S9 HD PVR
S9 HD PVR  :
http://www.cablehdtvs.com/products/Openbox-S9-HD-%28Satellite%29-.html
S9 HD PVR :
http://www.cablehdtvs.com/products/Openbox-S10-HD-PVR-Receiver.html
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