I've found this and downloaded the ISOs and though I haven't had a chance to test it out it does look kind of neat, so check it out and reply with what you think:
http://freshmeat.net/projects/islack/
http://marksman.beplaced.com/
http://shots.osdir.com/slideshows/sl....2+screenshots
http://distrowatch.com/table.php?distribution=islack