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(1) I am, I have a packet of 100 Zipp nipple washers ready and waiting to be used.
(2) Flimsy? Not in my experience. 28 spokes front and rear on my 29er MTB, and they've happily held up through crashes which have left me struggling to walk away.
(3) Yep, read it. Thanks. Seems pretty straightforward.
Brommers-
I mean flimsy to work with. As you know if the thread gets slighlty jammed, courtesy of alloy nipples or contaminants, it becomes extremely difficult to turn a nipple without damaging the spoke at the interface between the round and the bladed section. I can only assume the super version to be much worse, in that respect. As I understand, you will save a massive 5-10 grams by going that route... I would expect even the more undeterred weight weenie to think it over...
ugosantalucia
Couple of points
1) I hope you are aware Zipp rims are fitted with oval rim washers, that need to be removed and replaced with new (non deformed) ones... it is a royal PITA
2) Sapim CX Ray is already a flimsy spoke, I would not use anything lighter... too fragile to handle and will most likely fail quite rapidly and will have lower stiffness.
3) For a bit of advice, this is my rebuild of a 303 on a Dura Ace hub, if that helps
http://whosatthewheel.com/2014/12/27/zipp-188-hub-and-a-firecrest-rebuild/