For those of you interested in watching top tier raid videos my guild and i finally downed Sinestra a few days ago, here is a link to our multi-POV kill video, which does include a arcane mage PoV of the fight. Also we should have a heroic al'akir 25 man video posted soon as well.
http://www.youtube.com/watch?v=oAEyD5VPp0Y
EDIT------------------
Here is our Heroic Al'akir kill as well for those of you interested!
http://www.youtube.com/watch?v=85_OyAwstw8 - Rogue PoV
OR
http://www.youtube.com/watch?v=c-zX4bOIwoM - Blood DK PoV