They are awesome but I can’t imagine they’re 2-3x better than a new Tascam DP-24 or 32. Especially if you’re bringing your own collection of hardware.
Those are absolutely great as well! No digital input and no slave to MIDI, though = (
I would love to have a multitracker with the 1:1 sound of a SP12
That Yamaha takes me back to my formative years, to the times when commercial studios used 01v mixers as their main consoles 
Let us know how that thing sounds