The more I think about your comment on overdressing, the more logical seems to me that those babes should be wearing just some bikinis or so... Aren't those pumps intended for heating systems? Then show the girls enjoying the silent warm ambient in the room.....
I agree those ones are big, but my intention is to put it into a custom external case (If I finally purchase one of them, I mean). The EC is currently holding 2 double heater cores and an MCP650, ala JPI Performance V5, I decided to go conservative and then decide on my final pump after doing some thorough research... Funny thing is the more I search, the more confused I am.....
Regarding price, these pumps are what iwaki is in its own market, best quality, reliability and market leader. There are many other manufacturers with cheaper models, in many cases not so full featured but still under the same guidelines (noise, pumping power, etc.). Dab, Milo, Wyson are other brands.
I am linking a WC rig from a Spanish guy who uses one of these....
Grundfos WC Rig