He could have asked in an existing thread that 50+ pages long

It'll be LG DVD drive, requires minimal changes to the existing metal work, is compatible with the existing electronics and the DVD drive should do a better job reading certain audio CDs that the Blu-ray drive in the old model had difficulties with. Also any support for Blu-ray audio is likley dashed and just after I bought the 2l Blu-ray

oh well. It hasn't been finalized yet, but it's likley the drive that will be used assuming there is an enormous uproar along with a suggested drive.
Cheers