Welcome back.  I'm hoping to get more nice SPS frags from you soon. 
 
As for T5 vs MH, I like the fact that I can actually touch my 5x39W T5HO (Aquactinics TX5) canopy and that it does provide enough light for my corals.  They didn't however provide enough light for my 3 Crocea clams which perished shortly after I swapped lights (all else constant). 
		
	
		
		
		
		
		
	
		
		
	
	
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