Magnetar

It looks like the Panasonic doesn't play SACDs. I don't understand why truly universal disc players aren't more common.

Cleeds is correct, the Panasonics are not universal players.

As I mentioned in the OP, the UI for the Magneton looks so much like the Oppo it begs the question as to whether they just purchased the platform from Oppo

The D.BOB ($700) will take a DSD stream from a SACD player via HDMI and send the signal to an external DAC. I have a used $200 Oppo player as a transport and it sounds great via the D.BOB. I am coming from one of the best SACD players ever made, the Sony SCD-1 (this died recently).

GeerFab Audio D.BOB Digital BreakOut Box – Upscale Audio

I too have been looking for a universal UHD player for my 4K movies, SACD’ and DVD-A’s. I have a Sony UHD player that will play SACD’s but not DVD-A’s. The Sony is “cheap” (U700) feeling in that it is light and very “plastic”. I had been using my old OPPO for reading the discs for music but it has recently started to freeze up for no reason. I am interested in a player that is well built (weighs more than 2lbs!), has a good power supply, transport, clock, etc. The only names that pop up that will do this is Rivean and the brand mentioned here. I am interested more in build quality and reliability as my Marantz AV preamp does all the digital processing via HDMI. I really don’t want to pay for a high-end DAC in the player since this would be bypassed anyway. Anyone have any hands-on experience with either of these brands?

Sony refused to make their players compatible with DVD-A for the longest time, only relenting after DVD-A began to die as a format.  I have a Pioneer Elite that plays Blu Ray, DVD and SACD but it was discontinued years ago.  It also does a DSD to PCM conversion for SACD