MIX09 is less than 2 months away, some sessions are listed on the website.
Looking forward to hear about Silverlight 3, Expression Blend and Live Services:
What's New in Microsoft Silverlight 3
Hear about some of the new experience-oriented Silverlight 3 features, and see how to build applications for Silverlight 3 using Microsoft Expression Blend and Microsoft Visual Studio.
Visual Design with Microsoft Expression Blend
Come learn how to use the XAML graphics features of Expression Blend to create impactful visual content. See how amazing, functional user interfaces can be created without code using a range of powerful features in Expression Blend.
Live Framework and Mesh Services: Live Services for Developers
Learn about the Live Framework including new and future services (such as Mesh Services), protocols, APIs, and tools which enable your Web, service, or client applications to access, store, and synchronize user data with Live Services, obtain audience analytics data, and more.
High-Speed RIA Development with the Microsoft Silverlight Toolkit
Come learn how the Silverlight Toolkit can help jumpstart development of stunning Web experiences, and learn how to use new input, layout, container and data controls to create more manageable, more immersive user experiences.
Go Deep with Microsoft Silverlight Controls
Learn how to encapsulate structure, animation, and logic inside custom controls that handle theming, layout, validation, and data binding. Using Microsoft Visual Studio and Microsoft Expression Blend, explore advanced design, coding, debugging, and testing techniques for building components that work interchangeably in Silverlight and Windows Presentation Foundation (WPF).
Building Data-Driven Scalable AJAX Web Pages
Learn how to enable rich communication patterns between your AJAX Web pages and Web server using existing and new features in Windows Communication Foundation.
I think more sessions should appear later…