R3000 is the same as the P600- terrible ink system.
P900, No idea, I was going to pursue it but waited. To me the P5000 is built for DTF, So I'm going that route for now. Just waiting to button a few things up and I will post print speeds, quality, and overall comparisons between Acro 10.5, Cadlink, Ekprint. I think it's going to be a greenlight though, possibly a game changer for the industry.
So far, I have been right on everything I have previously posted on this forum about the P5000, things that I expected from it based on comparisons and understanding how the printer works, print speed, and overall quality.