I understand that some manufacturers now supply a non-DMF flywheel assemby to replace a failed DMF assembly. The penalty is a slight increase in vibration at some rev bands, but with modern diesels being smooth anyway one tester/reviewer could not tell the difference.
In a recent Telegraph Motoring article the owner of an auto transmission specialist said that he would not have a modern auto box as especially 6+ speed boxes tend to have the control unit within the box. If it goes it can be a