Research in Motion updated their Yahoo and Google Talk clients for BlackBerry devices to version 2.0. These are available for download by accessing http://mobile.blackberry.com on your BlackBerry device. It would appear the update includes better contacts management, as well as contact picture enhancements (aka avatars and buddy icons). The Yahoo client, still blocked by AT&T for reasons still unknown, also reportedly adds interoperability with Windows Live Messenger and file sending capabilities.
Click on over to our BlackBerry Google Talk and Yahoo IM 2.0 walkthrough gallery!