When going through product reviews and user feedback on the existing UM2 model as well as suggested points of improvements for future models, the following issues always come up in the top 3:
feeder system problems
nozzle clogging problems
In the case of the feeder system for example, some reviewers state this is an unacceptable design flaw in this price segment (http://www.naturalnews.com/048903_Ultimaker_2_3D_printer_review_print_problems.html) and a lot of owners consider the feeder to be a serious problem that needs fixing.
I don't know if Ultimaker has made any design changes ov