I built up an All City big block with the following parts within your budget
Wheels: H plus Son tb14- fomulas
Seat: Specialized toupe
Post- Thomson
Crank- Omnium
Headset- FSA Orbit
Pedals- All City
Tires- Panracer pasela
Stem- some FSA part
Bars- Fixation Pursuit bar
Chain- KMC
Cog- I dont remember, either All city or Surly.
I thoroughly enjoy it and consider it money well spent!