Just go for the gusto -- Orbea Carpe Diem:
http://www.orbea.com/en/bicis/modelo.../presentacion/
Carbon monocoque frame, Alfine drivetrain and disc brakes, and it's even got rack (and possibly fender) mounts. One of the local shops had one the last time I went there, and I gotta admit, it's HOT... although I'd be worried about it getting gouged up anywhere I lock it.