Originally Posted by
DaveSSS
Square tapers are obsolete as far as some brands are concerned. Campy has not made any square taper cranks for several years now. Current offerings from most brands are limited to the low price range.
Mostly true for many manufacturers of multi-ring cranks (but not completely).
However, just about any high-end single-ring crank (including the Campy Pista) still use square taper.
Excellent quality square taper BB's are readily available - Phil Wood, Sugino, Tange, and SKF come to mind.