Just found this GreaseMonkey script:
Which removes the REALLY annoying redundant tag from when viewing all results from a tag. This has been enough to keep me on the ‘Older Version’ of Google Mail.
Works great in Firefox, now to figure out how to get it working in Chrome (uses as yet unsupported features).
Tags: gmail, google mail, newer version
If you also dont like it, and its keeping you on ‘Older Version’ like me, then take the survey:
https://survey.googleratings.com/wix/p2965828.aspx