Hi there semisential and welcome
Sorry - you snuck in down here and I missed you - don't get a complex eh

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I've chosen to not run digital TV just yet even though I own a Dvico Fusion card because on my old TV, dgital shrinks the screen too much - saving the pennies for a widescreen LCD :P
BUT - I have both cards installed in my machine and whilst they don't work together (record one watch the other) I can switch between them and retune the card.
What I've been trying to do for the last 1/2 an hour is to select and tune the Dvico, run digital TV but still use the FM radio from the analogue card.* I've run out of time now but I got 1/2 way there, I managed to get digital audio but no picture (not a blank screen - just badly tuned reception it seemed like)
BUT - I was able to get clear FM radio from the analogue TV tuner at the same time.
I need to do more tonight and see if I can get a digital picture and I'll report back.