Google Talk Lab edition have released there new desktop version of Google Talk with same great features like that of the Google Talk Gadget including instant messaging, emoticons, and group chat.
With this lab edition desktop notifications from Google Calendar,Orkut and Gmail are made available.But the Mac and Linux users will have have to wait for this release as it only supports windows PC for now.
The integration of Google calendar makes you to keep reminded of your upcoming appointments without opening your Google Calendar.
But if are a regular Google Talk user then please wait before installing this labs edition since it misses some important features like voice calling and file transfer.
You can get it here http://www.google.com/talk/labsedition/
Original Talk gadget is available here