If you are enjoying the burned in stock 205.......you will be super happy with my mods. You can read a couple of reviews on this thread:
https://forum.audiogon.com/discussions/oppo-205-modification
I have a limited time 25% off on the mods right now. I have done a couple of more improvements to disc playback since those posts....so it is even better.
My modded LKS DAC is way way out there in DAC land.....however, the modded 205 is even better playing discs. You would have to spend thousands on a DAC to make discs sound as good or better than the modded 205......seriously great sound. Then you need a great digital cable, great transport and a modded IFI Spdif Ipurifier to get even close.
BTW, my custom linear power supply is way better sonically than the Oppomod one......less money too. I had to do 4 serious mods to the Oppomod supply to make it even better than the stock supply.