They are having the Live Sent 2009 Conversation in September and if you can make this I think it promises to be one of the best in 2009. Lots of interaction and dialog. Some of the conversations will be from Alan Hirsch and Neil Cole.
Live Sent 2009
Creating Missional Conversations for the Reproduction of Leaders and New Churches
September 17 & 18, Thursday 1pm-6pm and Friday 1pm-6pm.
Go to their website www.reproducingchurches.com to register
You will really like these guys and The Upstream Collective enjoys partnering with them.