# Default ruby is 1.9.3, but opening a new shell results in having 1.9.2 instead!
~|⇒ ruby -v
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.2.0]
~|⇒ rvm list default

Default Ruby (for new shells)

   ruby-1.9.3-p125 [ x86_64 ]