Below is my reading list for Windows 8 DFIR. I suspect it’s only a matter of time until everyone sees a hard drive with Windows 8. If you have any other resources to add to the list, feel free to drop a comment and I'll add it to the list.
Windows 8: Important Considerations for Computer Forensics and Electronic Discovery
Windows 8 Forensics - A First Look (ForensicFocusVideos)
Forensic Artifact: Malware Analysis in Windows 8
Windows 8 Forensics: USB Activity
Champlain College Windows 8 Forensics 3 Part Series
Windows 8 Forensics: Reset and Refresh Artifacts
Windows 8 Forensic Guide
Ken Johnson's Research
https://computer-forensics.sans.org/summit-archives/2012/windows-8-recovery-forensics-understanding-the-three-rs.pdf
http://randomthoughtsofforensics.blogspot.com/2011/12/windows-8-forensic-overview.html
http://randomthoughtsofforensics.blogspot.com/2012/06/windows-8-forensic-file-history.html
http://randomthoughtsofforensics.blogspot.com/2012/07/trouble-with-typedurlstime.html
https://computer-forensics.sans.org/summit-archives/2012/windows-8-recovery-forensics-understanding-the-three-rs.pdf
http://randomthoughtsofforensics.blogspot.com/2011/12/windows-8-forensic-overview.html
http://randomthoughtsofforensics.blogspot.com/2012/06/windows-8-forensic-file-history.html
http://randomthoughtsofforensics.blogspot.com/2012/07/trouble-with-typedurlstime.html