Taking a break from quake issues I gave the HTPC a bit of time recently.
My first thought was to try out the new Total Media Theatre 5 app, currently I'm running the venerable PDVD8.
Result - TMT5 cannot play bluray smooth on my system unless I disable hardware acceleration.
So I tried an ATI catalyst update from 10.12 to 11.7.
Result - TMT5 problem fixed, BUT mediaportal exhibits random glitching in HDTV playback...
So i tried out the new PDVD11 release (should provide unmolested HD-Audio from my Realtek audio hardware)
Result - PDVD11 crashes trying to play a bluray, and the UI refused to vanish in full screen mode, and...
Final Result - Returned to the Golden-image I created before trying to improve things.
Sigh.
I suppose I might have better luck after an OS upgrade to Windows 7. It would be nice to install something on there that just-works (tm) though.