Planned for discussion so far is X.Org Server 1.10 planning (X.Org Server 1.9 should be released the month prior) and the heated topic of whether the drivers should be merged back into the X Server or not, which would bring it back to being a more monolithic package. The other listed discussion topic at this time is on *BSD support for the DRM/KMS support, which has been struggling (along with OpenSolaris) behind the Linux DRM/KMS level of support. Other discussion topics will crop up shortly for this three-day event with the deadline for talks being the 16th of August.
So far there is just about two dozen listed attendees (with only about a dozen being confirmed), but that list too should grow as the September event approaches. I will be at the XDS2010 event providing live coverage on Phoronix of the X.Org discussions and announcement. For anyone else considering this event, the summit this year aligns rather well with the start of Oktoberfest in Munich where it's just a short train or plane ride away. After a few days of X.Org talks, it's perfect for then enjoying a few Maß of Augustiner and Franziskaner with some Weißwurst and other wonderful dishes.
Additional details on XDS2010 in Toulouse, France can be found on the X.Org Wiki or in today's e-mail reminder.