During the months of preparation, as well as during the event itself, your starting point, for sure, is the ScienceOnline'09 wiki - you can always check the "Recent Changes" button, or watch as the Blog and Media Coverage page grows.
You can also check the news on the ScienceOnline09 blog.
You can come here and check the posts in my SO'09 category.
You can join the Facebook Event and watch the wall there (and invite your friends there as well).
Or you can join the FriendFeed room and discuss the event there.
More like this
I know, I know, it's middle of February, but I was busy and neglected my duties. So, to catch up with the monthly feature, here is the best of January at A Blog Around The Clock: