Here are some repeatable playback issues when streaming to my PS3. All the m2ts files are directly ripped from blurays in my collection using anydvd.
Speed Racer.m2ts - VC-1/AC3 audio sync issues within 4 minutes.
Monster vs Aliens.m2ts - VC-1/TRUE-HD audio sync issues appear immediately, also abnormal bursts of sound.
Star Trek.m2ts H.264/TRUE-HD complete audio drop out after about 40 seconds.
Valkyrie.m2ts H.264/DTS-HD no audio at all.
File format related issues:
Ripped DVD's converted using handbrake into .m4v (H.264/AAC stereo/AC-3) with AppleTV present show the following behaviors:
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PS3MS always chooses the AAC stereo track instead of the AC-3 track.
