umm... I have a prodigy ITX case, which is about 50% the size and weight of my old Tower. It currently runs watercooled i7 with dual pump, 120mm & 240mm radiators. Along with a 780TI & 2 HHD + 4 SSD. The only thing installed externally is the exhaust fan on the rear 120MM mount, which serves as a mount for the 120mm radiator/resevoir/fill combo.I like it BUT the whole idea of ITX is to keep things small so the moment you add water cooling with a custom water loop (which is what EK make) then you need a ton of space for reservoirs, radiators and pumps! I know - I have a large water cooling system and its not ITX friendly.