QtVision

This might be a better alternative to my previous suggestions of mythtv 
and freevo

http://www.kwintv.org/

However I think that both freevo and myth Tv are still good option should 
there be a way to add them to grub, so that they can boot on there own 
without kde I believe that both my and freevo have such an ability using 
-fs as an option.

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