Comment There's reliability and then there's reliability. (Score 3, Interesting) 55
It seems their idea of reliability is mainly based on the lifetime of the machine, which I get, but the real reliability problem with FDM printers isn't machine longevity, but the ability to start a print and know it will finish. My machine is built using 8020 frame- no laser cut plywood, and no 3D printed parts in the structure of the machine. I have been working to eliminate reliability problems from the beginning because I want to print full size human skulls from CT scans. Such prints take anywhere from 24-48 hours. The extruder has been the #1 reliability problem- it usually has some problem about 15 hours or so into the print. I've also had some problems with filament tangling on the spool. Slicing software has problems that occur with some STL files and not others.
CAN buses are nice, but I'm not sure that does much unless youre setting up a shop with 20 machines on a network. Show me an extruder than can run without fail for 48 hours at a time and I'll throw some money at it.