When Python 2.6 is built with --universal-archs=intel, the default Python binary is symlinked to the 32-bit binary: lrwxr-xr-x 1 root admin 12 10 Aug 15:31 python -> python2.6-32 Python 2.7, however, is 64-bit by default. Is there a particular reason why this behaviour is different for 2.6 (and 3.1)? -srid