Here's my weight weenie bike. Use it for guidance obi-wan.

TRINITY
Frame/forks- PF ZX3
Bars/stem- USE
Pedals- Keos
Crank- FSA Superlight
BB- FSA Platinum Ti
chain- wipp
ders- Record
shifters- record
cassette- chorus
wheels- Rolfs
tires- pro race
brakes- zero g's.
post- USE
saddle- SLR

With no cages or computer- 14.9lbs (barely)

Total investment- ~$3,500