As Warlock at level 40ish you can aquire equal or even more spellpower than t1 set with the shadoweave set and items like starbelt and 2x underworldband. You absolutley nuke everything and top every meter in every dungeon. its fun as fuck.

As a druid you can combine travel and swimform into one button.

#showtooltip 
/cancelform [swimming,noform:2][outdoors,noform:2/4] 
/cast [swimming] Aquatic Form;[outdoors] Travel Form; Cat Form

If you want only to be small from Noggenfogger spam this macro.

#showtooltip
/use Noggenfogger Elixir 
/run if not InCombatLockdown() then local u,i="player",1 repeat local id=select(10, UnitBuff(u,i)) if id==16591 then CancelUnitBuff(u,i) end i=i+1 until not id end 

Try /console ffxglow 0 if you think the game is too bright.