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the only thing that works smoothly for me is .mp4s in itunes beamer is no better than screen mirroring which is watchable but def not as smooth, hopefully the peer to peer update in the new osx fixes this

What are your system/computer specs? Sounds like you may be experiencing hardware limitations.
 
2012 mac air i5 with 8gb ram

That should be good enough to play M2V's and AVIs.
Could also be your internet/Wireless data speed.

I have a 2011 MBP and it works just fine. I'm also using AirFlick which seems to run a bit more stable than Beamer.
 
Ill have a look and try again then. I have a new router now so maybe itll be fine
 
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