So you've been having fun with Facebook's somewhat half-baked chat service for the last day now, but are you growing tired of having to first log-in, then pop-out the chat window? For those of you who want to chat without this two-step process, there's a nice little tweak discovered by Mozilla Links that lets you set Facebook chat to pop out in Firefox's side bar.
I'm not really a fan of sidebar driven applications (gDocsBar not included), but this implementation works out pretty well. It will load up your buddy list and work just like the pop-out version does--minus of course the actual pop-up.
I'm still waiting for Facebook to add away and invisible modes, and allow other chat applications, such as Pidgin, Meebo, and Trillian, to integrate it. In the meantime, this tweak makes it a little more bearable.