Iniziate a fissarla sul calendario... 
Microsoft will be holding the next Professional Developers Conference (PDC) October 2-5, 2007 in Los Angeles, with two days of pre-conference on September 30 and October 1.
Check http://msdn.microsoft.com/events/pdc/ for updates; you can also subscribe to the RSS feed to find out more information about the event as we get closer.
Registration will open sometime in May or June. Make sure you save the date! 