Breaking news from @Joris_van_Tubergen : He finally released his “Z-Unlimited” mod for all @Ultimaker Originals on @Kickstarter !
By turning your Ultimaker upside down and mounting it to a lift mechanism you gain (almost) unlimited Z height for the tallest prints on the planet 
A couple of early birds are available: http://kck.st/1aJsHer
