I'll wager most Linux users don't even use TrueCrypt, since we've had FDE in the form of LUKS/DMcrypt since forever, and could not give a damn about being able

I'll wager most Linux users don't even use TrueCrypt, since we've had FDE in the form of LUKS/DMcrypt since forever, and could not give a damn about being able to read those partitions from other OSes (as if! Since when do Windows and OSX support Linux filesystems? it's always been the other way around).