Works for simple stuff, buggy for other stuff

Heres the deal - this is great for putting your mail in the taskbar and giving you rich functionality for reading / responding. The chat implementation, however, is very bad on Lion - only a sound and color notification for incoming chat, and you cant sign-out of chat. Which is crazy. So if youre thinking about upgrading just for the chat functionality, maybe think twice. That said, its only $2 :)

corrymac about MailTab for Gmail - Email Client, v3.2