Hi Manuel
I don't believe there is a better case for our requirements for the Tyros as the one in this thread:
http://www.synthzone.com/forum/ubbthread..._Als#Post330486You can have it made to the exact size you want. At exacly 20 lbs it weighs the same or less than soft cases such as the Gator case which weighs 26 pounds.
Best
ScottL