Kevin Olbrich wrote:
> Announcing......
>
> Ruby Units

Not to take the wind from your sails (fly, baby, fly!), but:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/12821
http://narray.rubyforge.org/quanty/quanty-en.html
and my own foray:
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/154577