Smart move considering most nVidia GPU's these days if you buy aftermarket really don't "need" watercooling yeah there maybe some benefit in terms of noise and potentially a little more overclocking, and AMD GPU's yes they benefit quite abit from watercooling but will that be the case with the next ones who knows.
CPU's are getting to the point where they either don't need to be overclocked or just simply cannot be overclocked, without the need for Phase Change or LN2 to actually get some worth out of overclocking for everyday use.
Not to mention yes there blocks might look nice, but more importantly the performance can be matched or beaten by cheaper blocks or better looking blocks.
I like the radiators they make, but to be honest if I was going to go full custom watercooling again which I will probably at some point, it's only going to be the CPU and the block will be a Heatkiller.