I got my notification email while at work, so I can't update my machine for another couple of hours.
Let me live vicariously through your experiences in the mean time ...
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Sorry, deleted the wrong thread by mistake and cannot figure out how to undelete it :S
Anyway -- for Universal App Development, C9 has a few videos. Search "Windows 10 App Development" in the search box top right.
If you've already done some Win8 development, then this series is advanced Win10 app development.