Ooooh, the Prusa Mendel i3 MK4 is out! Tomorrow I'll be on a spontaneous road trip over to Prague to check out the MK4 - what burning questions do you have that I need to ask Jo and the team about?
http://go.toms3d.org/MK4
Original Prusa MK4 3D Printer | Original Prusa 3D printers directly from Josef Prusa

The MK4 provides high-speed 3D printing with ease and is ever so reliable like all Original Prusa 3D printers. Worldwide shipping. Buy online today!

Prusa3D by Josef Prusa
@layers How quiet is it at speed?
Sub 20 minute Benchy - Original Prusa MK4 (alpha firmware with input shaping)

Following the speedboat race rules (such as 10% infill, 0.25 mm layer height, 2 perimeters).This Benchy was printed with the default acceleration of 8000 mm ...

YouTube