I can vouch for the 800v4 CD/DVD player producing very fine results, and mine proved to be be largely reliable aside from replacing the DVD laser a year ago (which was a straightforward DIY job and low cost part).

Sources: 800D, Sooloos Control:15, Sony BDP-S790,Humax Freesat+
Control: 861v4, HD621
Front: DSP3100
Centre: DSP3100HC
Rear: DSP3100
Screen: Samsung UE50H6400
Projector: MF-10