You need for the display:
http://www.pollin.de/shop/dt/NzUwOTc4OTk-/Bauelemente_Bauteile/Aktive_Bauelemente/Displays/7_17_78_cm_Display_Set_LS_7_HDMI_DVI_VGA_CVBS.html
available for ~42 EUR
Some experience (+2000 printing hours) with UM2, designing with onCad, FreeCad, OpenSCad and Blender.
Newly acquired an Ultimaker S3 which prints super reliably