Found this, I use T5 Ho, but on my new setup I want LEDs they look 10 times better, only reason i would get MH is if i didnt have alot of room to work with or if i wanted them to help with heat ha
	
	"METAL HALIDE
	 
	~Pros
	   -SUPER intense
	   -Able to keep any coral/invert.
	   -Dont take alot of canopy space
	 
	~Cons
	   -Create a lot of heat!
	   -Consume vast amounts of power
	   -Raises electric bill most
	   -Can not touch the bulb
	   -Less Colors to choose from if only have one
	   -Cost the most $$$
	   -You rely on one bulb (sometimes)
	 
	T5
	 
	~Pros
	   -Less expencive then MH
	   -Dont generate as much heat as MH
	   -Cost less then MH
	   -More color to choose from
	   -Dont consume as much power as MH
	   -Can keep most corals
	   -You can touch the bulbs
	   -If more than two different bulbs, you can simulate dawn and dusk
	 
	~Cons
	   -Not as intense as MH
	   -You have more than one bulb to worry about
	   -Choosing the right bulb can be difficult at time
	 
	PC
	 
	~Pros
	   -Not as expenicive
	   -Can keep some corals (depends on alot)
	   -Replacement is not as expenicve
	   -Great for FOWLR
	 
	~Cons
	   -Not as intense as MH or T5
	   -Cannot keep high light corals (sometimes)
	   -Specific Color you want is hard to find
	 
	LED
	 
	~Pros
	   -No need to replace for up to 5 years
	   -Create very little heat
	   -Are not as bulky or big as MH or T5
	   -There LEDs! I mean c'mon! Thats awsome!
	   -Can keep a large amounts of different kinds of coral
	 
	~Cons
	   -Expencive!
	   -Can be confusing to a beginner"