With production having being halted on the Z-4 long ago it might be wise to invest is some sort of protection. The Korg bag is just crap for want of a better expression. With temperamental pots and twitchy audio cutting selector switches it looks like its going to need something a little more robust if its going to last another 7 years. But who better then long time makers of all things flight like for music gear Swan to pick up where specialist NY flight case makers left off. From what I can gather there is no one else that makes them, but at a heavy duty 4 kilo's that's sure to width stand stuff like bricks being hurled at it, it'll certainly eat into your luggage allowance. Touch or click this to get there.