Originally Posted by Charles R
Does anyone know if it does have issues with TrueHD (and MKVs)?
Only with certain very specialized conditions.
While I do not favor mkv I do use these for test purposes.
Your 550 will freeze on mkv if:
The codec is VC1
The audio is DB THD
and you enable subtitles during playback.
I have encountered this problem with HDDVD rips like Blade Runner, 2001. I have reported this to Netgear but it has not been fixed.
I now use Clown_BD to process HDDVD to BR in the BDMV folder, this avoids that freezing problem but it does lose chapter info. No big deal for me.