This has come up several times before. Will try a search and post some links.
The obvious brakes are early hope discs.
Shifters not so much unless you want to go Sturmey Archer 3 speed?
Slightly easier if you go Retro-modern as hope spread their wings a bit more. MTB Pedals are also near impossible
Link to one of the best threads on the topichttp://www.retrobike.co.uk/forum/viewtopic.php?t=37163
FWIW this is my Brit-Euro Build.Brit
Orange Vit T
Middleburn Cranks & rings
Hope C2's & Pro levers
Sachs Quarz Shifters and mech's.
Current Bikes - Dekerf Team SST
, 98 Birdy Blue, 93 Orange Prestige, 93 Vit T
, Dropbar Pace RC200 F7
Gone :'00 Orange Mr XC
, Dekerf Mountain
WANTED : ** Orange spotty shorts **