I've got: 32h American Classic sealed bearing single-fixed hub:
Sampson Ti road BB (I -believe- 114mm, but I'm going to measure) sealed bearing, insanely light (~170gm).
130 BCD Blackspire Epic 3/32" 52T chainring
I'd like: A Phil Wood rear hub, JIS-taper track BB (Sugino 75, Superbe Pro, DA), Superbe Pro or higher-end MKS pedals.