All great points. I am selling my Mk3 and just got a Mk4. The speed on the Mk4 is amazing. Build quality is definitely better on the Mk4 from the Mk3.

The bamboo is pretty full of thin plastic parts that you can’t print to replace (something I did a few times with my Mk3). The not flat bed thing is weird and tells me they have a manufacturing issue that they worked around in software instead of truly fixing. I really hate the IP theft issue, so that is a deal breaker for me. Ultimately, the printer seems like a decent product but I also don’t trust that it will last a decade.

The only thing I think the Mk4 is missing is a camera / octoprint support, but I can live without those.