Id say blu-ray player.
Media center will just replicate what theyve already got.
I got rid of my media center pc, replaced it with a freeview pvr, vhs player, dvd player, and the tv has a digital tuner as well.
Was working out, I can record 3 different channels simultaneously on digital, and watch a 4th completely different one.
If I include zattoo which I have set up on this pc, I could watch a 5th completely different channel too