Use Google Talk for AIM, MSN & Yahoo
April 27th, 2006This is not new, but a lot of people out there seem to still be unaware that you can use Google Talk as a client for AIM, MSN and Yahoo!. BigBlueBall.com has detailed instructions on how to do it.
Now that Google has opened up their Google Talk servers for federation with other Jabber servers, you can use Google Talk to connect to your friends on AIM, MSN, Yahoo or ICQ
BigBlueBall.com: Connect Google Talk to AIM, MSN, & Yahoo
And now that Goolge Talk is available for BlackBerry devices, when you connect using your BlackBerry, you will have access to all your friends on AIM and MSN as well 
Google Talk for BlackBerry Devices