DVR ethernet connection Can you have a 2nd receiver on your network with only the ethernet network connecting the main receiver to the 2nd one and be able to get at both recorded and live content on the 2nd receiver? Does this work with non-dvr models too? What about the main receiver being a...

Can you have a 2nd receiver on your network with only the ethernet network connecting the main receiver to the 2nd one and be able to get at both recorded and live content on the 2nd receiver? Does this work with non-dvr models too? What about the main receiver being a dvr and the 2nd one not...