The other day a poster in the Forums asked if it was possible to play a sound file when a new message arrived. I thought this would be a fun plugin to put together and decided to give this a try. I just committed the initial version, called "notices", to SVN. The plugin allows users to play a sound file and/or to pop open a browser window notifying them of a new message. There is still more work to do and I have only tested with Firefox but it's shaping up pretty well. Here are some details: