gobear,
It’s always a good idea to check with the master. Here’s the [http://www.straightdope.com/classics/a2_156.html"]]( [url) straight dope. 
Yeah, but in Metropolis, you have sexy evil robot-chicks (well, one, anyway) to carry you the rest of the way…
Metropolis is a classic. It rocks and sexy evil robot-chicks rock MORE!
And a @#^*%!@*&%$?#!!! to anyone who disagrees.
Fenris