I would think so. I know at one point there was even talk of a player that would do DVD, DVD-A and SACD. The complication seemed to be that the physical watermark on the SACD discs requires an added chip to decode it.

As for converting to PCM, it's a mixed bag. If you convert, you can use the various modes and switching in the Meridian players.

On the other hand, such a PCM conversion does elminate some of the sonic advantages of the DSD system.