This week on Channel 9, Dan and Brian are back to discuss the week’s top developer news, including:Chris Mayo: Office 365 for Developers, includes SharePoint, Workflow, Excel or Access Services, Lync and Exchange development IE Developer Blog: Internet Explorer 10 Platform Preview 2 (download) Windows Phone Blog: Windows Phone SDK 7.1 Beta 2 now available Nathan Totten: Windows Azure CDNHelpers make it easy to add your JavaScript/CSS files to be served via Azure CDN Bart de Smet/Wes Dyer: Rx Workshop: A 6-part video series on the newly released Rx platform MSDN: Visual Studio 2010 and .NET Framework 4 Training Course Refresh Robert Green: Visual Studio Toolbox: Reporting Performance Issues with PerfWatson Colin Miller: Recap of .NET Micro Framework CodePlex projects, via Greg Duncan James Michael Hare: Choosing the right collection class WCF Data Services: datajs v1 now available Picks of the week!Brian's pick - ToneCheck.com - Find out if you're emails are "emotionally charged" ToneCheck, via Blake Handler Dan's pick - Niners doing Kinect apps - SlackerMasterK's Minority Report app (video) Bas's Ripplelicious app (video) and Dentaku's Theramin (video, code)