I have seen and used some very nice roller-bearing headsets through the years. It is worth getting your hands on an old Stronglight HS, for example.
On the other hand, a decent but cheap ball bearing HS will serve you just fine.
j
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Cross Check Nexus7, IRO Mark V, Trek 620 Nexus7, Karate Monkey half fat, IRO Model 19 fixed, Amp Research B3, Surly 1x1 half fat fixed, and more...
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SB forever