While this looks (and likely performs) very impressive, I have to wonder how many cases could fit something like this. I recently got a H115i (with the fans in pull above the radiator and between it and the case, as an exhaust) and it was a huge pain in the ass to fit everything in a CM Storm Trooper. It's a super tight fit and no way could I double the fans. But then again, I guess those huge box like cases would be best for such a beast.

usually if not top side of case, then it placed in intake fan i personally dont really like push-pull configuration as it only give 1-2C difference but the radiator got clogged much faster on push side, when that happen the 1-2C improvement basically dismissed i find it much better with pull and let pc intake fans flow the air the radiator clogged much slower, and another plus is that easier to clean the radiator without needing to dissamble it

Exactly. I had a Corsair H100 for 4 years in push/pull and it was exactly the same. It was such a pain in the ass to clean. Sometime after 3 years one of the fans from the upper part died, so I disabled the second as well, the difference was 1 degree at best... Now with the H115i, while still exhaust, it's with the fans in pull, I can easily clean the radiator in a few seconds with my blower, don't even have to take anything down.

I have this cooler and am cooling my chip and gpu wiith just the push and all at low rpm. Personally don't really see the need for push/pull as it would likely yield only marginally better temps.