Let's get a bit classic:
1978 Trek 710 frame, full 531
Dura-Ace derailleurs
105 brakes
Shimano 600 "arabesque" crankset
homebuilt whelset-Shimano Exage hubs (freehub),
Sun Mistral aero tubular rims,
Challenge Forte tubulars
Brooks B17narrow saddle
classic Look Delta pedals
Weighs in at just under 20 lbs
very fast and rides like a dream!