http://wotlk.wowhead.com/?talent=cxbZ0eVZeb0iohfVcsczAo

Here's the idea:

1)  Imp. AotH and Focused Fire = free large-dps increases for few talent points.  Yay!

2)  Lethal Shots and Mortal Shots are must-have for ANY hunter.  Careful Aim is cheap and provides a LOT more attack power, capitalizing more on the gear we use.

3)  The meat in the Survival tree:
 - Improved Tracking - 5% more damage done to targets you are tracking (e.g. if I have "Track Humanoids" on I will deal 5% more damage to human targets).
 - Lightning Reflexes and Expose Weakness - the main reason SV hunters exist.
 - Potent Venom - serpent sting essentially deals a lot more damage, and is now cheaper to use.
 - Sniper Training - special shots deal more damage, yay!
 - Hunting Party - my ranged crits restore 2% mana, 10 energy, 4 rage, or 10 runic power to the party.  2% mana at our current level of progression = ~200 mana per crit, and unbuffed Shihli has 35% crit ... this means that 1 in 3 shots will restore 200 mana to the group's mana users, which is equivalent to around 200 mp5.  TWO HUNDRED.  OMFG.
 - Explosive Shot - better than I thought it'd be.  Instant shot, short CD, deals (RAP*0.2 + 345) to (RAP*0.2 + 415) damage to the target.  Currently Shihli has 2800 RAP or so.  This means that in my current form, I'd do 905-975 damage to all targets every 2 seconds, within 5 yards of the mob hit by the shot.  Nice!

Survival hunters are the new shadowpriest in WotLK.  Gotta have at least one imo.