Good work, thats a super lush retro build.
I was actually doing pretty much the same thing at the same time! I built up a fango a few months ago but wasn't aiming for anything particularly retro. Just cool looks and super functionality (and singlespeed!).
Its become my favourite bike of late as I just have so much fun on it! With the low weight and 32/18 ratio I can get up any hill providing its not too long, and although I do still feel the small bumps they don't rob my momentum or feel harsh at all.
Frame: Castellano Fango (Small)
Fork: Magura Durin Race MD100R 100mm
Wheels: Shimano XTR WH-M965
Brakes: Shimano XTR M975
Since this photo was taken I've changed the saddle and taken a link out the chain.