[Plush]

You may indeed have some fun and some success with using two 1000 machines. However, your success will not come from keeping them in sync or from any added "quality" from dsd recording. They will not stay in synch.

The way one keeps 2 stereo machines in synch is with SMPTE time code and these machines do not have time code. As for the dsd, by the time you convert the Korg dsd recording to pcm with the included Audiogate software, there will not be much difference between the dsd and the pcm.

If you require an excellent machine for multitrack, I am suggesting you buy a Nagra 6 (6 channel) machine made in Switzerland or other machine like the Sound Devices 4 channel made in Wisconsin.