ok, here are some numbers for what to have before you come to certain raid areas
Prot:
Heroics 10-11k unbuffed
def rating as close to 490 as possible
Kara 12-13k + unbuffed!
def rating 490 and over
Gruul/Mag 12-13k + unbuffed
def rating 490
ZA 15k HP+ unbuffed
def rating... figure it out, lol
SSC/Tk 15k HP+ unbuffed
def rating... omg
Fury:
heroics
1500 AP/18%+ crit buffed
Kara
1800 AP/20% crit buffed
Gruul/Mag
1900 AP/20% crit buffed
ZA
2100 AP/25% crit buffed