From Chris Kalwa who shared his analysis of Tableau releases and links to upgrade information
(see attached PDF)
From Craig Budzynski who talked about his experiences upgrading from Tableau Server 8 to 9. Many of the considerations apply as you think about moving to 10.
Slides - https://prezi.com/c8q_wbqwd3vm/present/?auth_key=oimzrjd&follow=ltnid0p9u65u&kw=present-c8q_wbqwd3vm&rc=ref-3801906
Tableau known issues - http://www.tableau.com/support/known-issues
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