I'm going to build a watercooled PSU. The major heatsinks holding the major semiconductor devices, eg. FETs and double diode packs, will be removed and replaced with a custom copper plate "heatsink(s)" which has copper tubing silver brazed onto it. It's probably not a really good idea to go completely fanless, because pretty much *all* the electronics in a PSU need a little bit of cooling. But this will allow a single fan, running at a limited speed for minimal noise, to be used. And I mainly want to do it just for the sake of doing it, just to have a watercooled custom made PSU, for that show-off factor of modding that, face it, we all enjoy a little bit. So, my question is, has anybody done anything like this before, what are your experiences? What are your thoughts? If you've done this, pictures or design descriptions would be great. Any suggestions or ideas or thoughts? If you're just going to suggest that I go and buy an off the shelf one, then please don't waste your time posting, same if you're going to post "OMG but you'll die if you try this" or some crap. Cheers.