problem wirth google groups interface?

perhaps the owner of this list can investigate where the problem is.
i wrote a report to google. perhaps they can fit it.

I consistently find that any new topic I start on google-groups
rubyonrails-talk takes about 3-4 DAYS before it shows up in the list.
However, any reply I do to an existing thread appears instantly on both
google-groups and ruby-forum (as I'm sure this reply will as well). Do
I really have to start new threads on ruby-forum and then follow up on
google-groups? What gives?