I typed in ln -s "Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl" ~/bin/subl
and received an error that says ln: /Users/hardylou/bin/subl: No such file or directory

I checked to see if I had a bin folder in SharedSupport and it was there.

Take a look here too: gist.github.com/olivierlacan/1195304