Thanks for the quick response.
I have a few questions concerning the crankset and front gearing.
I purchased VO Grand Cru cranks which are Stronglight/TA rip-offs but aren't as elegant nor durable due to their material choice and finishing. The reason I picked these were their compatibility with modern 9-10spd systems and price. Are TA cranks compatible with JIS square tapers and 9 speed chains? Or you need French tapers and 8 speed drivetrain? I have my hands on a custom BB made by Jan Ullrich, the director of Tune, and it weights 160 grams at 122mm, and 176 gr with Ti crank bolts. I wouldn't want to throw it away.
Huret front derailleurs are hard to find as their clamps are all broken. I think the already weak clamp designed for 25.0mm tubing doesn't like 25.4mm tubing, so the chances of failure is greater. I like the design and weight though. I'd definitely switch if TA cranks work with my custom BB and I get the chance to find a set.
I've read about the stopping power of centerpulls, also they seem to be better with the feel too. Any ideas how much a set of Mafac Racer/2000/GT weight? I've been looking for a data for weeks, no chance yet.
I have Steinbach Ti platform pedals because I suck with clipless pedals. I have the bottom of the line eggbeaters (MXR) and getting out is a problem for me. May be 11 Ti has better clearances and it works better. I might switch to that later on.
Chris Bishop is going to build the bike, we have just started sketches. The SRAM levers I'm planning to use look exactly the same with brifters, but are singlespeed brakes. My half hood Mafac brakes weight 222 gr including 37 gr clamps, and SRAM is 50 grams heavier at 272 gr. I have B-T-P's carbon clamps to lower SRAM's weight, but I'm not sure if they would be safe on the long run. BTPs are 9 grams per pair. I had a hard time on my last mountain descent of about 1300m altitude on Dia-Compe levers. I can still opt for Mafac levers if Randonneur handlebars are good enough to make you not want to use hoods. SRAM choice is all about comfort and hood braking in the city.
I've missed a set of old stock Stan's 650B rims on eBay, they were BiN and were gone before I read the saved search e-mail. I'm not sure about the durability of those rims because they are not designed for rim brakes, I think GB is fine. I have NOS tubular rims sitting at home like Mavic Argent 10s and Fiamme Ergals, everything else seemis to be heavy anyway