In the Stored Instant Message Conversations window:
1) Nest folders following preferences in Preferences/Buddies Window
(as opposed to just by alias/screenname and then service,
irrespective of group);
2) Color following preference in Preferences/Colors/Buddies Window
(as opposed to plain b&w);
3) Show chats of all services when clicking on an alias name.
Originally in 937416, I've modified it and re-listed it here so that it
will be easier to monitor, comment on and implement independent
of the other suggestions in 937416.