IM Grabber is a utility to automatically record AOL Instant Messenger conversations. Conversations can be conveniently browsed by Screen Name and date/time. It also has the ability to record only or ignore specific Screen Names. Additionally, it is able to automatically close Instant Messages from specified users. The search function allows you to view all messages or messages from a specific ScreenName that contain a specific word .
More info:
hxx//www.bitsplash.com/imgrabber/