dude!!! on a rig that sweet, the Zero Gee brakes do make sense from an economic perspective. And I ain't gonna bash your ride: the Santana Beyond is up there with the best. I am intrigued by teh engineering. And I are a PhD engineer.
BUt the performance would worry me. There have been a number of "ultralight" brake sets out there - most notably the Cane Creek jobbies that were so bad they were speed modulators, not actual brakes. Save weight somewhere else. Personally, the drive train would be my first shot: get that Mt bike stuff off and run a road cassette and rear derailleur. I also like DuraAce levers better than Ultegra. That's my Co MO's setup. And 23mm tires. Try teh Botrager Hardcase:nary a flat in over a year of hard riding.
By the way, teh stock Cdale setup isn't that good. I changed mine out to an Avid SIngle Digit 7 and got a bit better stopping. Cheap fix for yer friend.