saw this... EOS M focus speed test... not sure if anyone posted before... but here you go.
[video=youtube;iVpAPK4i5BM]http://www.youtube.com/watch?v=iVpAPK4i5BM[/video]
[video=youtube;iVpAPK4i5BM]http://www.youtube.com/watch?v=iVpAPK4i5BM[/video]