Here is a very well built flight case built by the very reputable KamKase this case will fit djm 600s and cdj1000 and many more.
HOLDS 2 x CDJ1000 size CD player & DJM600 mixer
Coffin case format
Hinged 100mm rear compartment for cables
Removable panels for CD tray access
9mm laminated plywood panels
Internal rigid foam protective padding
Riveted 35mm aluminium edge strips
Stacking ball corners
Recessed, sprung handles with rubber grip
Recessed butterfly latches
Interlocking dust proof lid edges
Dirt resistant vinyl finish
1146mm W x 201mm H x 508mm D