fledermaus suggested http://paste.lisp.org/display/96878 on #emacs.
And:
Interesting…
– AlexSchroeder 2010-03-25 16:18 UTC
see rcirc-groups to have an IRC equivalent to Group with gnus. I still have some bugs around eve for you to participate 
http://github.com/dimitri/rcirc-groups
– dim 2010-03-25 21:19 UTC