Windows 8 or Windows 7???

Would it just be a good idea to get the Windows 8 cert, it will mostly trickle down, right?
Also, what materials did/do you use to pass the exam (Darryl didn't write an MS book
).
Also, what materials did/do you use to pass the exam (Darryl didn't write an MS book

Comments
http://www.techexams.net/forums/windows-8-exams/86385-mcsa-windows-8-vs-windows-7-a.html
Windows 7/2008 R2 it is... now, to find some materials...
Check Amazon.com for study materials. Also check out CBT Nuggets or TrainSignal for training videos.
Completed: LYT2, TFT2, JIT2, MCT2, LZT2, SJT2 (17 CU's)
Required: FXT2, MAT2, MBT2, C391, C392 (13 CU's)
Bachelor of Science - Information Technology Network Design & Management (WGU - Completed August 2014)
What do you call these then?
Windows 7 Portable Command Guide: MCTS 70-680, 70-685 and 70-686: Darril Gibson: 9780789747358: Amazon.com: Books
Amazon.com: Windows 7 Desktop Support and Administration: Real World Skills for MCITP Certification and Beyond (Exams 70-685 and 70-686) (9780470597095): Darril Gibson: Books