They changed some talents..

And I'm not sure if I like it.

Rapid Recuperation
Reduces the mana and focust cost of all shots and abilities by you and your pet by 20/40/60% while under the effect of Rapid Fire, and you gain mana equal to 50/100/150% of the damage you do under the effect of Rapid Killing over 6 sec.

Improved Steady Shot
Your steady shot hits have a 5/10/15% chance to increase the damage done by your next aimed shot, arcane shot or chimera shot by 15% and reduce the mana cost of your next aim shot, arcane shot or chimera shot by 40%

Marked for Death
Increases your damage done by your shots and the damage done by your pet's special abilities by 2/4/6/8/10% on marked targets, and increases the critical strike damage bonus of your Aimed Shot, Steady Shot, Kill Shot or Chimera Shot by 2/4/6/8/10%.

Chimera Shot
You deal 125% weapon damage, refreshing the current sting on your target and triggering an effect :

• Serpent Sting - Instantly deals 40% of the damage done by your Serpent Sting.
• Viper Sting - Instantly restores mana to you equal to 60% of the total amount drained by your Viper Sting.
• Scorpid Sting - Attempts to Disarm the target for 10 sec. This effect cannot occur more than once per 1 minute.

Hmm... I'll have to muse over what they did to Chimera Shot... I know it will work on bosses, but I'm not sure that I like that they removed the prior ability...