You can get 10K, 14K, 20K, and some other weird ones(like 13.5K, 50K) bulbs for most bulbs, HQI, and Mogul, for 70W, 150W, 175W, 250W, 400W, and 1000W. 
 
Edit: O yeah, lights are available at tons of places, here are some: 
 
jlaquatics.com, Aquarium Illusions(the store here), Big A'ls(again, here), oceanaquatics.com, hellolights.com, marinedepot.com, reefgeek.com....Etc.....tons of places. 
 
Chris 
		
	
		
		
		
		
			
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				No more tanks    - Laying off the ReefCrack for awhile! 
Cheers, 
Chris
			  
		
		
		
		
	
		
		
	
	
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