The Bottom Line
Google Talk works pretty much like AIM and MSN Messenger, although it isn't quite as feature-rich as those more-established IM clients. It also isn't near as popular; perhaps the biggest drawback to Google Talk is that too few people are using it.
Note
As Psi adds your IM contacts, you'll probably receive a series of system messages asking you to okay the addition of each contact. Click the Add/Auth button to authorize each contact.
Bottom line, you want to use the IM system that all your friends are using, and for now that probably means AOL Instant Messenger or MSN Messengerat least until Google Talk offers official connection to the AIM network.
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