Pre 1999 Quantum Pro vs. current Q-Pro frames: Bikefanclub.com

Howdy all...

I've been a long time Klein rider and a couple years sold my Quantum 2 for a change of rides. Going to the dark side - full carbon and mtn biking. Recently a friend picked up a Aura VX and it has caused me to think of getting a Klein again. His is very nice and typical of past Klein craftmanship.
Anybody out there familiar with the ride of a Quantum 2 or better, pre 1999 frame, that could compare that style frame with a new one. I am looking for comments on the ride, stiffness, compliance and especially the durability of the carbon rear end on thier bikes. I am looking at a Q-Pro frameset that I will build up. Any thoughts or experiences on the Aeros fork and integrated headset. The old Quantum Pro was highly regarded and the ride was quite nice at the time I rode one, 1999 I think...much has advanced since then.
My idea is for a build of Shimano 7800 components, customs sew-up wheelset, CF bars with a Ritchey WCS stem, Flite saddle on a Thomson post...all in all a basic, highend set up.

Thanks for any info and keep the rubber side down.
...Mark

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