i did find some macros that help with gaining more FPS
1st macro
/console ffx 0
/console hwPCF 1
/console shadowlod 0
/console timingmethod 1
/console showshadow 0
/console showfootprints 0
/console showfootprintparticles 0
2nd macro
/console overridefarclip 0
/console farclip 177
/console horizonfarclip 1305
/console detailDoodadAlpha 0
/console groundeffectdensity 16
3rd macro
/console groundeffectdist 1
/console smallcull 1
/console skycloudlod 1
/console characterAmbient 1
/console extshadowquality 0
/console environmentDetail 0.5

if u have windows xp do this in notepad and save as wow.bat
@echo off
cd /d "C:\Program Files\World of Warcraft"
start /high WoW.exe
if u have windows 7 do this in notepad and save as wow.bat
@echo off
cd /d "C:\Users\Public\Games\World of Warcraft"
start /high WoW.exe
this will set world of warcraft to super priority on you CPU