Can Teac DVW50D be hacked/upgraded?

I recently upgraded my Lite-On 411S to 811S and am happy with the results. Does anyone know if the Teac DVW50D can be upgraded to another drive with either a firmware upgrade or hack?

http://flashman.rpc1.org/Firmware/TEAC/DV-W50D(DVR-106D_CLONE)/

It appears it’s an OEM DVR-106D

No “upgrade” but perhaps a few hacks

http://flashman.rpc1.org/Firmware/PIONEER/DVR-106D/ - see also the force 106D