Well they started it up, but when it came to machining the jets the tubes fell apart. We're now exploring our options for different materials and/or machining methods. Just had a good long chat about what the machinists will try, going through a wide range of possible materials to use.
Basically it'll happen, one way or another, but it'll just take some time to get it sorted. It's just general teething issues when attempting to push the boundaries even further than what we are at present.
kbn, the Cascade was never a commercially sold block. I only offered it directly due to the number of people who had asked me to make one up for them. The Cascade SS is a solid silver version of the copper Cascade, which has its design slightly modified. The Cascade XXX is a block based on similar principles to the Cascade, but 3x the number of jets/cups in the same area. It is just an experimental block to see how far water-cooling can be taken, and it's presently at the stage of trying to figure out whether or not the thing can even be machined.
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