Hybrid!
It's all up to what gear you have, me for example, I've specced 5 in improved Hawk for the speed buff, since I don't got any haste rating (yet) but I'm starting to get loads of crit. I'm up at 28.5%+ but I still know I got some more %'s to go. My favorite hybrid specs are these
MM/Survival
BM/MM/Survival
The trick with this spec is that you need to have alot of AP, while having your own crit at about 28-29%, but my tip is to socket with +4 crit and +8 AP untill you got 28-29% crit, so you can go full out on +16ap sockets after
My own spec
I've gone for this of the hybrid specs because it gives me alot of mana recovery if I crit more, so I just need to get up to the crit required (Around 30-32% selfbuffed)
Survival
I've specced most Survival for more of the crit and more agi, wich makes it more usefull to buff with Agi enchants and sockets, instead of AP. If you got around 50-70 haste rating, I would go for the 5 points on Master Tactican, since crit yields more damage then Haste rating for a survival hunter.
As survival I would go for this since it gives alot of crit and by this time you should have some haste rating *shrugs*
I would go for Survival in 25-mans because the Expose Weakness is good not only for you, but for the whole raid. and the Expose weakness is why you should go for alot of agi. As Survival you should start with 1650+ap unbuffed and atleast 28% crit for it being useful and around 100 hit rating for a good dps ground.
Beastmaster
Ultimate lvling, instance dps, and beginraid dps without any doubts, but you have to be careful with what you spec on to make it right.
41/20/0 is the best spec possible as Beastmaster, since the 41 points in Beastmastery is realy necessary, otherwise it will be quite useless unless you have done my hybrid spec that I linked before. This spec will require about 27-28% crit when you are out of of kara, and about 1700 selfbuffed AP, to have a good dps ground. I would though recommend going Survival when your guild is going to TK and SSC, since your pet will die awfully alot, and there will be more ranged bosses, like Al'ar, where you do more damage as MM or Survival then you would do as BM, since it's the pet that buffs you. I wouldn't recommend any other BM spec, since your pet dies once in a while during a raid, it's very smooth and good for you to have the improved ress, since you still can ress in combat. the 20 points in MM are also very much needed for your own dps.
Marksman
As Marksman I would go for this spec only because it maximises your dps in the MM tree, aswell as it gives you the starter beuties from both Survival and BM. I like this spec very much, except for the fact that you'll have to aim a bit on Intellect to make this spec worth having lateraiding, when you as Survival can go for those items with more Crit, agi and AP then as MM, since you aren't using as much Mana as you are with this spec.
Now it's up to you what you wanna go for, what suits you best and all that crap
Have fun!!
