Originally Posted by
JamesRL
Low end headsets and bottom brackets can be had for $20-30 a piece. Personally if I'm building a frame from scratch, as I am now, I figure a new sealed bearing bottom bracket might save me time over a used one I'm not sure of, but others might just prefer to rebuild an older one.
If it was an older frame with strange threading it might make more of a difference.
Personally I judge it by the headset.. if it's something I'm going to replace right away (i.g. low end and/or beaten) it gets treated as a con rather than a pro...