So what I'm gathering in this thread is, if I do light 4k editing on a 5k monitor and don't really game, I should stick with the 450?  I'm thinking of doing the base 15" and upgrading to a 512GB SSD, but wasn't sure if I should drop the extra $200 for the GPU upgrade.
	
		
			
		
		
	
				
			 
 
		 
 
		 
 
		