DP75V is a neat step forwardI believe that could stem from it's ability to be able to decode sacd which is dsd without the flag, but for Redbook, if that's what you want, then the 75 is the way to go, as Mojo music implies 75v would be "a neat step backwards" for Redbook.
But like I believe stick with the Naim, as if you ever need a laser (as I've shown you above) for the Accuphase you could end up with an expensive door stop.
Cheers George