module for multiple registration(last post)

I have made a long search on drupal.org and have not found any solution they say to HACK the code(Indeirectly) have a look at this link

http://drupal.org/node/302554

But wht i think is it is a must feature for a Social community can any1 please helpme out for this module
i hv given all my hopes from drupal and this is my last post