I wanted to point out that over in the mage forum they have started discussing and testing crit reduction for magic damage. The thread may be worth keeping an eye on for any affect on our magic-based shots, as anything that prevents me from having to do 10K-shot Arcane Shot tests would be a good thing:

http://elitistjerks.com/f75/t37364-f...lt_thread/p40/ -- the discussion on crit begins at the top of page 40.