It looks like in the next few months we will be rolling out an Instant Messaging client company wide. After evaluating several of the biggest clients, it looks like we are landing on gTalk. All the major players have similar sets of functionality. . .user to user calling, a web client, cross platform functionality. . .and then some. However none of gTalk's competitors are part of a broader productivity/messaging suite (ok, well M$ is the exception). One day in the future I'd really like to move the entire company away from M$ Outlook/Exchange and over to the Google Apps Suite. No more server, no more software upgrades, no more licensing hassles. . . and all the functionality a traditional desktop client provides. Moving to gTalk may just be the first step in this process. Check out gTalk here.