I want to buy a DVD player/recorder that has HDMI in/out so I can upconvert DVD movies I rent to 1080I. I now have a HI DEF cable box with TWC and use a HDMI cable between the Scientific America and the TV. I want to run the HDMI out of the TMC cable box into the DVD recorder and then a HDMI out of the DVD player into the TV. This way I can get great picture from TWC and movies from DVD. Is there a copy protection problem that will cause no picture or a warning on screen when I watch tv from cable. I have a Scientific America 83XX series cable DVR box. Please advise. I don't want to spend several hundred dollars if I cannot use. Thanks a lot.

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Thanks,but my question is the issue of HDCP or DMRC lockout or messages out of the cable box super imposed on the TV screen because of the DVD HDMI connectivity. I already have a few HDMI cables. BTW my Mitsubishi HDTV is 52" DLP 1080 and has HDCP incorporated.