 The vinyl release adjusts the running order slightly, swapping the positions of two tracks so that "Unguided" closes side one and "Failsafe" starts side two rather than the other way around.Complete sets of Challengers Executive Edition are extremely rare.The Executive Edition was a limited edition 3-disc complement to the original release, which customers could put together to create a 4-disc set, but they had to build it themselves in 2007-2008 using a download code.